388571820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71167}}^1$

素因数の和:71199

約数の個数: 96

約数和(自身を含む): 1339097088

約数和(自身を除く): 950525268

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, 71167, 142334, 213501, 284668, 355835, 427002, 498169, 711670, 854004, 925171, 996338, 1067505, 1423340, 1494507, 1850342, 1992676, 2135010, 2490845, 2775513, 2989014, 3700684, 4270020, 4625855, 4981690, 5551026, 5978028, 6476197, 7472535, 9251710, 9963380, 11102052, 12952394, 13877565, 14945070, 18503420, 19428591, 25904788, 27755130, 29890140, 32380985, 38857182, 55510260, 64761970, 77714364, 97142955, 129523940, 194285910, 388571820]

約数ペア:

[(1, 388571820), (2, 194285910), (3, 129523940), (4, 97142955), (5, 77714364), (6, 64761970), (7, 55510260), (10, 38857182), (12, 32380985), (13, 29890140), (14, 27755130), (15, 25904788), (20, 19428591), (21, 18503420), (26, 14945070), (28, 13877565), (30, 12952394), (35, 11102052), (39, 9963380), (42, 9251710), (52, 7472535), (60, 6476197), (65, 5978028), (70, 5551026), (78, 4981690), (84, 4625855), (91, 4270020), (105, 3700684), (130, 2989014), (140, 2775513), (156, 2490845), (182, 2135010), (195, 1992676), (210, 1850342), (260, 1494507), (273, 1423340), (364, 1067505), (390, 996338), (420, 925171), (455, 854004), (546, 711670), (780, 498169), (910, 427002), (1092, 355835), (1365, 284668), (1820, 213501), (2730, 142334), (5460, 71167)]