407211040

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:243

約数の個数: 192

約数和(自身を含む): 1088640000

約数和(自身を除く): 681428960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 31, 32, 38, 40, 58, 62, 76, 80, 95, 116, 124, 145, 149, 152, 155, 160, 190, 232, 248, 290, 298, 304, 310, 380, 464, 496, 551, 580, 589, 596, 608, 620, 745, 760, 899, 928, 992, 1102, 1160, 1178, 1192, 1240, 1490, 1520, 1798, 2204, 2320, 2356, 2384, 2480, 2755, 2831, 2945, 2980, 3040, 3596, 4321, 4408, 4495, 4619, 4640, 4712, 4768, 4960, 5510, 5662, 5890, 5960, 7192, 8642, 8816, 8990, 9238, 9424, 11020, 11324, 11780, 11920, 14155, 14384, 17081, 17284, 17632, 17980, 18476, 18848, 21605, 22040, 22648, 23095, 23560, 23840, 28310, 28768, 34162, 34568, 35960, 36952, 43210, 44080, 45296, 46190, 47120, 56620, 68324, 69136, 71920, 73904, 82099, 85405, 86420, 87761, 88160, 90592, 92380, 94240, 113240, 133951, 136648, 138272, 143840, 147808, 164198, 170810, 172840, 175522, 184760, 226480, 267902, 273296, 328396, 341620, 345680, 351044, 369520, 410495, 438805, 452960, 535804, 546592, 656792, 669755, 683240, 691360, 702088, 739040, 820990, 877610, 1071608, 1313584, 1339510, 1366480, 1404176, 1641980, 1755220, 2143216, 2545069, 2627168, 2679020, 2732960, 2808352, 3283960, 3510440, 4286432, 5090138, 5358040, 6567920, 7020880, 10180276, 10716080, 12725345, 13135840, 14041760, 20360552, 21432160, 25450690, 40721104, 50901380, 81442208, 101802760, 203605520, 407211040]

約数ペア:

[(1, 407211040), (2, 203605520), (4, 101802760), (5, 81442208), (8, 50901380), (10, 40721104), (16, 25450690), (19, 21432160), (20, 20360552), (29, 14041760), (31, 13135840), (32, 12725345), (38, 10716080), (40, 10180276), (58, 7020880), (62, 6567920), (76, 5358040), (80, 5090138), (95, 4286432), (116, 3510440), (124, 3283960), (145, 2808352), (149, 2732960), (152, 2679020), (155, 2627168), (160, 2545069), (190, 2143216), (232, 1755220), (248, 1641980), (290, 1404176), (298, 1366480), (304, 1339510), (310, 1313584), (380, 1071608), (464, 877610), (496, 820990), (551, 739040), (580, 702088), (589, 691360), (596, 683240), (608, 669755), (620, 656792), (745, 546592), (760, 535804), (899, 452960), (928, 438805), (992, 410495), (1102, 369520), (1160, 351044), (1178, 345680), (1192, 341620), (1240, 328396), (1490, 273296), (1520, 267902), (1798, 226480), (2204, 184760), (2320, 175522), (2356, 172840), (2384, 170810), (2480, 164198), (2755, 147808), (2831, 143840), (2945, 138272), (2980, 136648), (3040, 133951), (3596, 113240), (4321, 94240), (4408, 92380), (4495, 90592), (4619, 88160), (4640, 87761), (4712, 86420), (4768, 85405), (4960, 82099), (5510, 73904), (5662, 71920), (5890, 69136), (5960, 68324), (7192, 56620), (8642, 47120), (8816, 46190), (8990, 45296), (9238, 44080), (9424, 43210), (11020, 36952), (11324, 35960), (11780, 34568), (11920, 34162), (14155, 28768), (14384, 28310), (17081, 23840), (17284, 23560), (17632, 23095), (17980, 22648), (18476, 22040), (18848, 21605)]