1213940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:81

約数の個数: 96

約数和(自身を含む): 3386880

約数和(自身を除く): 2172940

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 29, 35, 46, 52, 58, 65, 70, 91, 92, 115, 116, 130, 140, 145, 161, 182, 203, 230, 260, 290, 299, 322, 364, 377, 406, 455, 460, 580, 598, 644, 667, 754, 805, 812, 910, 1015, 1196, 1334, 1495, 1508, 1610, 1820, 1885, 2030, 2093, 2639, 2668, 2990, 3220, 3335, 3770, 4060, 4186, 4669, 5278, 5980, 6670, 7540, 8372, 8671, 9338, 10465, 10556, 13195, 13340, 17342, 18676, 20930, 23345, 26390, 34684, 41860, 43355, 46690, 52780, 60697, 86710, 93380, 121394, 173420, 242788, 303485, 606970, 1213940]

約数ペア:

[(1, 1213940), (2, 606970), (4, 303485), (5, 242788), (7, 173420), (10, 121394), (13, 93380), (14, 86710), (20, 60697), (23, 52780), (26, 46690), (28, 43355), (29, 41860), (35, 34684), (46, 26390), (52, 23345), (58, 20930), (65, 18676), (70, 17342), (91, 13340), (92, 13195), (115, 10556), (116, 10465), (130, 9338), (140, 8671), (145, 8372), (161, 7540), (182, 6670), (203, 5980), (230, 5278), (260, 4669), (290, 4186), (299, 4060), (322, 3770), (364, 3335), (377, 3220), (406, 2990), (455, 2668), (460, 2639), (580, 2093), (598, 2030), (644, 1885), (667, 1820), (754, 1610), (805, 1508), (812, 1495), (910, 1334), (1015, 1196)]