1388336820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{29179}}^1$

素因数の和:29265

約数の個数: 96

約数和(自身を含む): 4255144320

約数和(自身を除く): 2866807500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 61, 65, 78, 122, 130, 156, 183, 195, 244, 260, 305, 366, 390, 610, 732, 780, 793, 915, 1220, 1586, 1830, 2379, 3172, 3660, 3965, 4758, 7930, 9516, 11895, 15860, 23790, 29179, 47580, 58358, 87537, 116716, 145895, 175074, 291790, 350148, 379327, 437685, 583580, 758654, 875370, 1137981, 1517308, 1750740, 1779919, 1896635, 2275962, 3559838, 3793270, 4551924, 5339757, 5689905, 7119676, 7586540, 8899595, 10679514, 11379810, 17799190, 21359028, 22759620, 23138947, 26698785, 35598380, 46277894, 53397570, 69416841, 92555788, 106795140, 115694735, 138833682, 231389470, 277667364, 347084205, 462778940, 694168410, 1388336820]

約数ペア:

[(1, 1388336820), (2, 694168410), (3, 462778940), (4, 347084205), (5, 277667364), (6, 231389470), (10, 138833682), (12, 115694735), (13, 106795140), (15, 92555788), (20, 69416841), (26, 53397570), (30, 46277894), (39, 35598380), (52, 26698785), (60, 23138947), (61, 22759620), (65, 21359028), (78, 17799190), (122, 11379810), (130, 10679514), (156, 8899595), (183, 7586540), (195, 7119676), (244, 5689905), (260, 5339757), (305, 4551924), (366, 3793270), (390, 3559838), (610, 2275962), (732, 1896635), (780, 1779919), (793, 1750740), (915, 1517308), (1220, 1137981), (1586, 875370), (1830, 758654), (2379, 583580), (3172, 437685), (3660, 379327), (3965, 350148), (4758, 291790), (7930, 175074), (9516, 145895), (11895, 116716), (15860, 87537), (23790, 58358), (29179, 47580)]