219977940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{40289}}^1$

素因数の和:40321

約数の個数: 96

約数和(自身を含む): 758096640

約数和(自身を除く): 538118700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 40289, 80578, 120867, 161156, 201445, 241734, 282023, 402890, 483468, 523757, 564046, 604335, 805780, 846069, 1047514, 1128092, 1208670, 1410115, 1571271, 1692138, 2095028, 2417340, 2618785, 2820230, 3142542, 3384276, 3666299, 4230345, 5237570, 5640460, 6285084, 7332598, 7856355, 8460690, 10475140, 10998897, 14665196, 15712710, 16921380, 18331495, 21997794, 31425420, 36662990, 43995588, 54994485, 73325980, 109988970, 219977940]

約数ペア:

[(1, 219977940), (2, 109988970), (3, 73325980), (4, 54994485), (5, 43995588), (6, 36662990), (7, 31425420), (10, 21997794), (12, 18331495), (13, 16921380), (14, 15712710), (15, 14665196), (20, 10998897), (21, 10475140), (26, 8460690), (28, 7856355), (30, 7332598), (35, 6285084), (39, 5640460), (42, 5237570), (52, 4230345), (60, 3666299), (65, 3384276), (70, 3142542), (78, 2820230), (84, 2618785), (91, 2417340), (105, 2095028), (130, 1692138), (140, 1571271), (156, 1410115), (182, 1208670), (195, 1128092), (210, 1047514), (260, 846069), (273, 805780), (364, 604335), (390, 564046), (420, 523757), (455, 483468), (546, 402890), (780, 282023), (910, 241734), (1092, 201445), (1365, 161156), (1820, 120867), (2730, 80578), (5460, 40289)]