79621900

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 179144784

約数和(自身を除く): 99522884

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 83, 100, 106, 166, 181, 212, 265, 332, 362, 415, 530, 724, 830, 905, 1060, 1325, 1660, 1810, 2075, 2650, 3620, 4150, 4399, 4525, 5300, 8300, 8798, 9050, 9593, 15023, 17596, 18100, 19186, 21995, 30046, 38372, 43990, 47965, 60092, 75115, 87980, 95930, 109975, 150230, 191860, 219950, 239825, 300460, 375575, 439900, 479650, 751150, 796219, 959300, 1502300, 1592438, 3184876, 3981095, 7962190, 15924380, 19905475, 39810950, 79621900]

約数ペア:

[(1, 79621900), (2, 39810950), (4, 19905475), (5, 15924380), (10, 7962190), (20, 3981095), (25, 3184876), (50, 1592438), (53, 1502300), (83, 959300), (100, 796219), (106, 751150), (166, 479650), (181, 439900), (212, 375575), (265, 300460), (332, 239825), (362, 219950), (415, 191860), (530, 150230), (724, 109975), (830, 95930), (905, 87980), (1060, 75115), (1325, 60092), (1660, 47965), (1810, 43990), (2075, 38372), (2650, 30046), (3620, 21995), (4150, 19186), (4399, 18100), (4525, 17596), (5300, 15023), (8300, 9593), (8798, 9050)]