420339900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{283}}^1\times {\mathrm{4951}}^1$

素因数の和:5251

約数の個数: 72

約数和(自身を含む): 1220727424

約数和(自身を除く): 800387524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 283, 300, 566, 849, 1132, 1415, 1698, 2830, 3396, 4245, 4951, 5660, 7075, 8490, 9902, 14150, 14853, 16980, 19804, 21225, 24755, 28300, 29706, 42450, 49510, 59412, 74265, 84900, 99020, 123775, 148530, 247550, 297060, 371325, 495100, 742650, 1401133, 1485300, 2802266, 4203399, 5604532, 7005665, 8406798, 14011330, 16813596, 21016995, 28022660, 35028325, 42033990, 70056650, 84067980, 105084975, 140113300, 210169950, 420339900]

約数ペア:

[(1, 420339900), (2, 210169950), (3, 140113300), (4, 105084975), (5, 84067980), (6, 70056650), (10, 42033990), (12, 35028325), (15, 28022660), (20, 21016995), (25, 16813596), (30, 14011330), (50, 8406798), (60, 7005665), (75, 5604532), (100, 4203399), (150, 2802266), (283, 1485300), (300, 1401133), (566, 742650), (849, 495100), (1132, 371325), (1415, 297060), (1698, 247550), (2830, 148530), (3396, 123775), (4245, 99020), (4951, 84900), (5660, 74265), (7075, 59412), (8490, 49510), (9902, 42450), (14150, 29706), (14853, 28300), (16980, 24755), (19804, 21225)]