28212412500

素因数分解:

$2^2\times 3^2\times 5^5\times {\mathrm{250777}}^1$

素因数の和:250812

約数の個数: 108

約数和(自身を含む): 89138036988

約数和(自身を除く): 60925624488

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 625, 750, 900, 1125, 1250, 1500, 1875, 2250, 2500, 3125, 3750, 4500, 5625, 6250, 7500, 9375, 11250, 12500, 18750, 22500, 28125, 37500, 56250, 112500, 250777, 501554, 752331, 1003108, 1253885, 1504662, 2256993, 2507770, 3009324, 3761655, 4513986, 5015540, 6269425, 7523310, 9027972, 11284965, 12538850, 15046620, 18808275, 22569930, 25077700, 31347125, 37616550, 45139860, 56424825, 62694250, 75233100, 94041375, 112849650, 125388500, 156735625, 188082750, 225699300, 282124125, 313471250, 376165500, 470206875, 564248250, 626942500, 783678125, 940413750, 1128496500, 1410620625, 1567356250, 1880827500, 2351034375, 2821241250, 3134712500, 4702068750, 5642482500, 7053103125, 9404137500, 14106206250, 28212412500]

約数ペア:

[(1, 28212412500), (2, 14106206250), (3, 9404137500), (4, 7053103125), (5, 5642482500), (6, 4702068750), (9, 3134712500), (10, 2821241250), (12, 2351034375), (15, 1880827500), (18, 1567356250), (20, 1410620625), (25, 1128496500), (30, 940413750), (36, 783678125), (45, 626942500), (50, 564248250), (60, 470206875), (75, 376165500), (90, 313471250), (100, 282124125), (125, 225699300), (150, 188082750), (180, 156735625), (225, 125388500), (250, 112849650), (300, 94041375), (375, 75233100), (450, 62694250), (500, 56424825), (625, 45139860), (750, 37616550), (900, 31347125), (1125, 25077700), (1250, 22569930), (1500, 18808275), (1875, 15046620), (2250, 12538850), (2500, 11284965), (3125, 9027972), (3750, 7523310), (4500, 6269425), (5625, 5015540), (6250, 4513986), (7500, 3761655), (9375, 3009324), (11250, 2507770), (12500, 2256993), (18750, 1504662), (22500, 1253885), (28125, 1003108), (37500, 752331), (56250, 501554), (112500, 250777)]