1900494540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{6311}}^1$

素因数の和:6572

約数の個数: 144

約数和(自身を含む): 6616995840

約数和(自身を除く): 4716501300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 239, 252, 315, 420, 478, 630, 717, 956, 1195, 1260, 1434, 1673, 2151, 2390, 2868, 3346, 3585, 4302, 4780, 5019, 6311, 6692, 7170, 8365, 8604, 10038, 10755, 12622, 14340, 15057, 16730, 18933, 20076, 21510, 25095, 25244, 30114, 31555, 33460, 37866, 43020, 44177, 50190, 56799, 60228, 63110, 75285, 75732, 88354, 94665, 100380, 113598, 126220, 132531, 150570, 176708, 189330, 220885, 227196, 265062, 283995, 301140, 378660, 397593, 441770, 530124, 567990, 662655, 795186, 883540, 1135980, 1325310, 1508329, 1590372, 1987965, 2650620, 3016658, 3975930, 4524987, 6033316, 7541645, 7951860, 9049974, 10558303, 13574961, 15083290, 18099948, 21116606, 22624935, 27149922, 30166580, 31674909, 42233212, 45249870, 52791515, 54299844, 63349818, 67874805, 90499740, 95024727, 105583030, 126699636, 135749610, 158374545, 190049454, 211166060, 271499220, 316749090, 380098908, 475123635, 633498180, 950247270, 1900494540]

約数ペア:

[(1, 1900494540), (2, 950247270), (3, 633498180), (4, 475123635), (5, 380098908), (6, 316749090), (7, 271499220), (9, 211166060), (10, 190049454), (12, 158374545), (14, 135749610), (15, 126699636), (18, 105583030), (20, 95024727), (21, 90499740), (28, 67874805), (30, 63349818), (35, 54299844), (36, 52791515), (42, 45249870), (45, 42233212), (60, 31674909), (63, 30166580), (70, 27149922), (84, 22624935), (90, 21116606), (105, 18099948), (126, 15083290), (140, 13574961), (180, 10558303), (210, 9049974), (239, 7951860), (252, 7541645), (315, 6033316), (420, 4524987), (478, 3975930), (630, 3016658), (717, 2650620), (956, 1987965), (1195, 1590372), (1260, 1508329), (1434, 1325310), (1673, 1135980), (2151, 883540), (2390, 795186), (2868, 662655), (3346, 567990), (3585, 530124), (4302, 441770), (4780, 397593), (5019, 378660), (6311, 301140), (6692, 283995), (7170, 265062), (8365, 227196), (8604, 220885), (10038, 189330), (10755, 176708), (12622, 150570), (14340, 132531), (15057, 126220), (16730, 113598), (18933, 100380), (20076, 94665), (21510, 88354), (25095, 75732), (25244, 75285), (30114, 63110), (31555, 60228), (33460, 56799), (37866, 50190), (43020, 44177)]