20438250

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1$

素因数の和:273

約数の個数: 128

約数和(自身を含む): 62000640

約数和(自身を除く): 41562390

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 25, 30, 34, 35, 42, 50, 51, 70, 75, 85, 102, 105, 119, 125, 150, 170, 175, 210, 229, 238, 250, 255, 350, 357, 375, 425, 458, 510, 525, 595, 687, 714, 750, 850, 875, 1050, 1145, 1190, 1275, 1374, 1603, 1750, 1785, 2125, 2290, 2550, 2625, 2975, 3206, 3435, 3570, 3893, 4250, 4809, 5250, 5725, 5950, 6375, 6870, 7786, 8015, 8925, 9618, 11450, 11679, 12750, 14875, 16030, 17175, 17850, 19465, 23358, 24045, 27251, 28625, 29750, 34350, 38930, 40075, 44625, 48090, 54502, 57250, 58395, 80150, 81753, 85875, 89250, 97325, 116790, 120225, 136255, 163506, 171750, 194650, 200375, 240450, 272510, 291975, 400750, 408765, 486625, 583950, 601125, 681275, 817530, 973250, 1202250, 1362550, 1459875, 2043825, 2919750, 3406375, 4087650, 6812750, 10219125, 20438250]

約数ペア:

[(1, 20438250), (2, 10219125), (3, 6812750), (5, 4087650), (6, 3406375), (7, 2919750), (10, 2043825), (14, 1459875), (15, 1362550), (17, 1202250), (21, 973250), (25, 817530), (30, 681275), (34, 601125), (35, 583950), (42, 486625), (50, 408765), (51, 400750), (70, 291975), (75, 272510), (85, 240450), (102, 200375), (105, 194650), (119, 171750), (125, 163506), (150, 136255), (170, 120225), (175, 116790), (210, 97325), (229, 89250), (238, 85875), (250, 81753), (255, 80150), (350, 58395), (357, 57250), (375, 54502), (425, 48090), (458, 44625), (510, 40075), (525, 38930), (595, 34350), (687, 29750), (714, 28625), (750, 27251), (850, 24045), (875, 23358), (1050, 19465), (1145, 17850), (1190, 17175), (1275, 16030), (1374, 14875), (1603, 12750), (1750, 11679), (1785, 11450), (2125, 9618), (2290, 8925), (2550, 8015), (2625, 7786), (2975, 6870), (3206, 6375), (3435, 5950), (3570, 5725), (3893, 5250), (4250, 4809)]