491405460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{90001}}^1$

素因数の和:90033

約数の個数: 96

約数和(自身を含む): 1693477632

約数和(自身を除く): 1202072172

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, 90001, 180002, 270003, 360004, 450005, 540006, 630007, 900010, 1080012, 1170013, 1260014, 1350015, 1800020, 1890021, 2340026, 2520028, 2700030, 3150035, 3510039, 3780042, 4680052, 5400060, 5850065, 6300070, 7020078, 7560084, 8190091, 9450105, 11700130, 12600140, 14040156, 16380182, 17550195, 18900210, 23400260, 24570273, 32760364, 35100390, 37800420, 40950455, 49140546, 70200780, 81900910, 98281092, 122851365, 163801820, 245702730, 491405460]

約数ペア:

[(1, 491405460), (2, 245702730), (3, 163801820), (4, 122851365), (5, 98281092), (6, 81900910), (7, 70200780), (10, 49140546), (12, 40950455), (13, 37800420), (14, 35100390), (15, 32760364), (20, 24570273), (21, 23400260), (26, 18900210), (28, 17550195), (30, 16380182), (35, 14040156), (39, 12600140), (42, 11700130), (52, 9450105), (60, 8190091), (65, 7560084), (70, 7020078), (78, 6300070), (84, 5850065), (91, 5400060), (105, 4680052), (130, 3780042), (140, 3510039), (156, 3150035), (182, 2700030), (195, 2520028), (210, 2340026), (260, 1890021), (273, 1800020), (364, 1350015), (390, 1260014), (420, 1170013), (455, 1080012), (546, 900010), (780, 630007), (910, 540006), (1092, 450005), (1365, 360004), (1820, 270003), (2730, 180002), (5460, 90001)]