263877890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:759

約数の個数: 64

約数和(自身を含む): 524206080

約数和(自身を除く): 260328190

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 71, 95, 142, 155, 190, 310, 355, 589, 631, 710, 1178, 1262, 1349, 2201, 2698, 2945, 3155, 4402, 5890, 6310, 6745, 11005, 11989, 13490, 19561, 22010, 23978, 39122, 41819, 44801, 59945, 83638, 89602, 97805, 119890, 195610, 209095, 224005, 371659, 418190, 448010, 743318, 851219, 1388831, 1702438, 1858295, 2777662, 3716590, 4256095, 6944155, 8512190, 13888310, 26387789, 52775578, 131938945, 263877890]

約数ペア:

[(1, 263877890), (2, 131938945), (5, 52775578), (10, 26387789), (19, 13888310), (31, 8512190), (38, 6944155), (62, 4256095), (71, 3716590), (95, 2777662), (142, 1858295), (155, 1702438), (190, 1388831), (310, 851219), (355, 743318), (589, 448010), (631, 418190), (710, 371659), (1178, 224005), (1262, 209095), (1349, 195610), (2201, 119890), (2698, 97805), (2945, 89602), (3155, 83638), (4402, 59945), (5890, 44801), (6310, 41819), (6745, 39122), (11005, 23978), (11989, 22010), (13490, 19561)]