971805900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{249181}}^1$

素因数の和:249211

約数の個数: 72

約数和(自身を含む): 3028059664

約数和(自身を除く): 2056253764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 249181, 498362, 747543, 996724, 1245905, 1495086, 2491810, 2990172, 3239353, 3737715, 4983620, 6229525, 6478706, 7475430, 9718059, 12459050, 12957412, 14950860, 16196765, 18688575, 19436118, 24918100, 32393530, 37377150, 38872236, 48590295, 64787060, 74754300, 80983825, 97180590, 161967650, 194361180, 242951475, 323935300, 485902950, 971805900]

約数ペア:

[(1, 971805900), (2, 485902950), (3, 323935300), (4, 242951475), (5, 194361180), (6, 161967650), (10, 97180590), (12, 80983825), (13, 74754300), (15, 64787060), (20, 48590295), (25, 38872236), (26, 37377150), (30, 32393530), (39, 24918100), (50, 19436118), (52, 18688575), (60, 16196765), (65, 14950860), (75, 12957412), (78, 12459050), (100, 9718059), (130, 7475430), (150, 6478706), (156, 6229525), (195, 4983620), (260, 3737715), (300, 3239353), (325, 2990172), (390, 2491810), (650, 1495086), (780, 1245905), (975, 996724), (1300, 747543), (1950, 498362), (3900, 249181)]