31209400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 78566400

約数和(自身を除く): 47357000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 43, 50, 76, 86, 95, 100, 152, 172, 190, 191, 200, 215, 344, 380, 382, 430, 475, 760, 764, 817, 860, 950, 955, 1075, 1528, 1634, 1720, 1900, 1910, 2150, 3268, 3629, 3800, 3820, 4085, 4300, 4775, 6536, 7258, 7640, 8170, 8213, 8600, 9550, 14516, 16340, 16426, 18145, 19100, 20425, 29032, 32680, 32852, 36290, 38200, 40850, 41065, 65704, 72580, 81700, 82130, 90725, 145160, 156047, 163400, 164260, 181450, 205325, 312094, 328520, 362900, 410650, 624188, 725800, 780235, 821300, 1248376, 1560470, 1642600, 3120940, 3901175, 6241880, 7802350, 15604700, 31209400]

約数ペア:

[(1, 31209400), (2, 15604700), (4, 7802350), (5, 6241880), (8, 3901175), (10, 3120940), (19, 1642600), (20, 1560470), (25, 1248376), (38, 821300), (40, 780235), (43, 725800), (50, 624188), (76, 410650), (86, 362900), (95, 328520), (100, 312094), (152, 205325), (172, 181450), (190, 164260), (191, 163400), (200, 156047), (215, 145160), (344, 90725), (380, 82130), (382, 81700), (430, 72580), (475, 65704), (760, 41065), (764, 40850), (817, 38200), (860, 36290), (950, 32852), (955, 32680), (1075, 29032), (1528, 20425), (1634, 19100), (1720, 18145), (1900, 16426), (1910, 16340), (2150, 14516), (3268, 9550), (3629, 8600), (3800, 8213), (3820, 8170), (4085, 7640), (4300, 7258), (4775, 6536)]