290291250

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:613

約数の個数: 80

約数和(自身を含む): 731016000

約数和(自身を除く): 440724750

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 199, 250, 375, 389, 398, 597, 625, 750, 778, 995, 1167, 1194, 1250, 1875, 1945, 1990, 2334, 2985, 3750, 3890, 4975, 5835, 5970, 9725, 9950, 11670, 14925, 19450, 24875, 29175, 29850, 48625, 49750, 58350, 74625, 77411, 97250, 124375, 145875, 149250, 154822, 232233, 243125, 248750, 291750, 373125, 387055, 464466, 486250, 729375, 746250, 774110, 1161165, 1458750, 1935275, 2322330, 3870550, 5805825, 9676375, 11611650, 19352750, 29029125, 48381875, 58058250, 96763750, 145145625, 290291250]

約数ペア:

[(1, 290291250), (2, 145145625), (3, 96763750), (5, 58058250), (6, 48381875), (10, 29029125), (15, 19352750), (25, 11611650), (30, 9676375), (50, 5805825), (75, 3870550), (125, 2322330), (150, 1935275), (199, 1458750), (250, 1161165), (375, 774110), (389, 746250), (398, 729375), (597, 486250), (625, 464466), (750, 387055), (778, 373125), (995, 291750), (1167, 248750), (1194, 243125), (1250, 232233), (1875, 154822), (1945, 149250), (1990, 145875), (2334, 124375), (2985, 97250), (3750, 77411), (3890, 74625), (4975, 58350), (5835, 49750), (5970, 48625), (9725, 29850), (9950, 29175), (11670, 24875), (14925, 19450)]