428567100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:229

約数の個数: 216

約数和(自身を含む): 1372412160

約数和(自身を除く): 943845060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 79, 100, 107, 130, 150, 156, 158, 169, 195, 214, 237, 260, 300, 316, 321, 325, 338, 390, 395, 428, 474, 507, 535, 642, 650, 676, 780, 790, 845, 948, 975, 1014, 1027, 1070, 1185, 1284, 1300, 1391, 1580, 1605, 1690, 1950, 1975, 2028, 2054, 2140, 2370, 2535, 2675, 2782, 3081, 3210, 3380, 3900, 3950, 4108, 4173, 4225, 4740, 5070, 5135, 5350, 5564, 5925, 6162, 6420, 6955, 7900, 8025, 8346, 8450, 8453, 10140, 10270, 10700, 11850, 12324, 12675, 13351, 13910, 15405, 16050, 16692, 16900, 16906, 18083, 20540, 20865, 23700, 25350, 25359, 25675, 26702, 27820, 30810, 32100, 33812, 34775, 36166, 40053, 41730, 42265, 50700, 50718, 51350, 53404, 54249, 61620, 66755, 69550, 72332, 77025, 80106, 83460, 84530, 90415, 101436, 102700, 104325, 108498, 109889, 126795, 133510, 139100, 154050, 160212, 169060, 180830, 200265, 208650, 211325, 216996, 219778, 253590, 267020, 271245, 308100, 329667, 333775, 361660, 400530, 417300, 422650, 439556, 452075, 507180, 542490, 549445, 633975, 659334, 667550, 801060, 845300, 904150, 1001325, 1084980, 1098890, 1267950, 1318668, 1335100, 1356225, 1428557, 1648335, 1808300, 2002650, 2197780, 2535900, 2712450, 2747225, 2857114, 3296670, 4005300, 4285671, 5424900, 5494450, 5714228, 6593340, 7142785, 8241675, 8571342, 10988900, 14285570, 16483350, 17142684, 21428355, 28571140, 32966700, 35713925, 42856710, 71427850, 85713420, 107141775, 142855700, 214283550, 428567100]

約数ペア:

[(1, 428567100), (2, 214283550), (3, 142855700), (4, 107141775), (5, 85713420), (6, 71427850), (10, 42856710), (12, 35713925), (13, 32966700), (15, 28571140), (20, 21428355), (25, 17142684), (26, 16483350), (30, 14285570), (39, 10988900), (50, 8571342), (52, 8241675), (60, 7142785), (65, 6593340), (75, 5714228), (78, 5494450), (79, 5424900), (100, 4285671), (107, 4005300), (130, 3296670), (150, 2857114), (156, 2747225), (158, 2712450), (169, 2535900), (195, 2197780), (214, 2002650), (237, 1808300), (260, 1648335), (300, 1428557), (316, 1356225), (321, 1335100), (325, 1318668), (338, 1267950), (390, 1098890), (395, 1084980), (428, 1001325), (474, 904150), (507, 845300), (535, 801060), (642, 667550), (650, 659334), (676, 633975), (780, 549445), (790, 542490), (845, 507180), (948, 452075), (975, 439556), (1014, 422650), (1027, 417300), (1070, 400530), (1185, 361660), (1284, 333775), (1300, 329667), (1391, 308100), (1580, 271245), (1605, 267020), (1690, 253590), (1950, 219778), (1975, 216996), (2028, 211325), (2054, 208650), (2140, 200265), (2370, 180830), (2535, 169060), (2675, 160212), (2782, 154050), (3081, 139100), (3210, 133510), (3380, 126795), (3900, 109889), (3950, 108498), (4108, 104325), (4173, 102700), (4225, 101436), (4740, 90415), (5070, 84530), (5135, 83460), (5350, 80106), (5564, 77025), (5925, 72332), (6162, 69550), (6420, 66755), (6955, 61620), (7900, 54249), (8025, 53404), (8346, 51350), (8450, 50718), (8453, 50700), (10140, 42265), (10270, 41730), (10700, 40053), (11850, 36166), (12324, 34775), (12675, 33812), (13351, 32100), (13910, 30810), (15405, 27820), (16050, 26702), (16692, 25675), (16900, 25359), (16906, 25350), (18083, 23700), (20540, 20865)]