1214511800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:238

約数の個数: 144

約数和(自身を含む): 2992107600

約数和(自身を除く): 1777595800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 71, 89, 100, 124, 142, 155, 178, 200, 248, 284, 310, 355, 356, 445, 568, 620, 710, 712, 775, 890, 961, 1240, 1420, 1550, 1775, 1780, 1922, 2201, 2225, 2759, 2840, 3100, 3550, 3560, 3844, 4402, 4450, 4805, 5518, 6200, 6319, 7100, 7688, 8804, 8900, 9610, 11005, 11036, 12638, 13795, 14200, 17608, 17800, 19220, 22010, 22072, 24025, 25276, 27590, 31595, 38440, 44020, 48050, 50552, 55025, 55180, 63190, 68231, 68975, 85529, 88040, 96100, 110050, 110360, 126380, 136462, 137950, 157975, 171058, 192200, 195889, 220100, 252760, 272924, 275900, 315950, 341155, 342116, 391778, 427645, 440200, 545848, 551800, 631900, 682310, 684232, 783556, 855290, 979445, 1263800, 1364620, 1567112, 1705775, 1710580, 1958890, 2138225, 2729240, 3411550, 3421160, 3917780, 4276450, 4897225, 6072559, 6823100, 7835560, 8552900, 9794450, 12145118, 13646200, 17105800, 19588900, 24290236, 30362795, 39177800, 48580472, 60725590, 121451180, 151813975, 242902360, 303627950, 607255900, 1214511800]

約数ペア:

[(1, 1214511800), (2, 607255900), (4, 303627950), (5, 242902360), (8, 151813975), (10, 121451180), (20, 60725590), (25, 48580472), (31, 39177800), (40, 30362795), (50, 24290236), (62, 19588900), (71, 17105800), (89, 13646200), (100, 12145118), (124, 9794450), (142, 8552900), (155, 7835560), (178, 6823100), (200, 6072559), (248, 4897225), (284, 4276450), (310, 3917780), (355, 3421160), (356, 3411550), (445, 2729240), (568, 2138225), (620, 1958890), (710, 1710580), (712, 1705775), (775, 1567112), (890, 1364620), (961, 1263800), (1240, 979445), (1420, 855290), (1550, 783556), (1775, 684232), (1780, 682310), (1922, 631900), (2201, 551800), (2225, 545848), (2759, 440200), (2840, 427645), (3100, 391778), (3550, 342116), (3560, 341155), (3844, 315950), (4402, 275900), (4450, 272924), (4805, 252760), (5518, 220100), (6200, 195889), (6319, 192200), (7100, 171058), (7688, 157975), (8804, 137950), (8900, 136462), (9610, 126380), (11005, 110360), (11036, 110050), (12638, 96100), (13795, 88040), (14200, 85529), (17608, 68975), (17800, 68231), (19220, 63190), (22010, 55180), (22072, 55025), (24025, 50552), (25276, 48050), (27590, 44020), (31595, 38440)]