490074660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1237}}^1$

素因数の和:1354

約数の個数: 144

約数和(自身を含む): 1557384192

約数和(自身を除く): 1067309532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 71, 90, 93, 124, 142, 155, 180, 186, 213, 279, 284, 310, 355, 372, 426, 465, 558, 620, 639, 710, 852, 930, 1065, 1116, 1237, 1278, 1395, 1420, 1860, 2130, 2201, 2474, 2556, 2790, 3195, 3711, 4260, 4402, 4948, 5580, 6185, 6390, 6603, 7422, 8804, 11005, 11133, 12370, 12780, 13206, 14844, 18555, 19809, 22010, 22266, 24740, 26412, 33015, 37110, 38347, 39618, 44020, 44532, 55665, 66030, 74220, 76694, 79236, 87827, 99045, 111330, 115041, 132060, 153388, 175654, 191735, 198090, 222660, 230082, 263481, 345123, 351308, 383470, 396180, 439135, 460164, 526962, 575205, 690246, 766940, 790443, 878270, 1053924, 1150410, 1317405, 1380492, 1580886, 1725615, 1756540, 2300820, 2634810, 2722637, 3161772, 3451230, 3952215, 5269620, 5445274, 6902460, 7904430, 8167911, 10890548, 13613185, 15808860, 16335822, 24503733, 27226370, 32671644, 40839555, 49007466, 54452740, 81679110, 98014932, 122518665, 163358220, 245037330, 490074660]

約数ペア:

[(1, 490074660), (2, 245037330), (3, 163358220), (4, 122518665), (5, 98014932), (6, 81679110), (9, 54452740), (10, 49007466), (12, 40839555), (15, 32671644), (18, 27226370), (20, 24503733), (30, 16335822), (31, 15808860), (36, 13613185), (45, 10890548), (60, 8167911), (62, 7904430), (71, 6902460), (90, 5445274), (93, 5269620), (124, 3952215), (142, 3451230), (155, 3161772), (180, 2722637), (186, 2634810), (213, 2300820), (279, 1756540), (284, 1725615), (310, 1580886), (355, 1380492), (372, 1317405), (426, 1150410), (465, 1053924), (558, 878270), (620, 790443), (639, 766940), (710, 690246), (852, 575205), (930, 526962), (1065, 460164), (1116, 439135), (1237, 396180), (1278, 383470), (1395, 351308), (1420, 345123), (1860, 263481), (2130, 230082), (2201, 222660), (2474, 198090), (2556, 191735), (2790, 175654), (3195, 153388), (3711, 132060), (4260, 115041), (4402, 111330), (4948, 99045), (5580, 87827), (6185, 79236), (6390, 76694), (6603, 74220), (7422, 66030), (8804, 55665), (11005, 44532), (11133, 44020), (12370, 39618), (12780, 38347), (13206, 37110), (14844, 33015), (18555, 26412), (19809, 24740), (22010, 22266)]