498479940

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{18839}}^1$

素因数の和:18871

約数の個数: 144

約数和(自身を含む): 1804118400

約数和(自身を除く): 1305638460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2646, 2940, 3780, 4410, 5292, 6615, 8820, 13230, 18839, 26460, 37678, 56517, 75356, 94195, 113034, 131873, 169551, 188390, 226068, 263746, 282585, 339102, 376780, 395619, 508653, 527492, 565170, 659365, 678204, 791238, 847755, 923111, 1017306, 1130340, 1186857, 1318730, 1582476, 1695510, 1846222, 1978095, 2034612, 2373714, 2543265, 2637460, 2769333, 3391020, 3560571, 3692444, 3956190, 4615555, 4747428, 5086530, 5538666, 5934285, 7121142, 7912380, 8307999, 9231110, 10173060, 11077332, 11868570, 13846665, 14242284, 16615998, 17802855, 18462220, 23737140, 24923997, 27693330, 33231996, 35605710, 41539995, 49847994, 55386660, 71211420, 83079990, 99695988, 124619985, 166159980, 249239970, 498479940]

約数ペア:

[(1, 498479940), (2, 249239970), (3, 166159980), (4, 124619985), (5, 99695988), (6, 83079990), (7, 71211420), (9, 55386660), (10, 49847994), (12, 41539995), (14, 35605710), (15, 33231996), (18, 27693330), (20, 24923997), (21, 23737140), (27, 18462220), (28, 17802855), (30, 16615998), (35, 14242284), (36, 13846665), (42, 11868570), (45, 11077332), (49, 10173060), (54, 9231110), (60, 8307999), (63, 7912380), (70, 7121142), (84, 5934285), (90, 5538666), (98, 5086530), (105, 4747428), (108, 4615555), (126, 3956190), (135, 3692444), (140, 3560571), (147, 3391020), (180, 2769333), (189, 2637460), (196, 2543265), (210, 2373714), (245, 2034612), (252, 1978095), (270, 1846222), (294, 1695510), (315, 1582476), (378, 1318730), (420, 1186857), (441, 1130340), (490, 1017306), (540, 923111), (588, 847755), (630, 791238), (735, 678204), (756, 659365), (882, 565170), (945, 527492), (980, 508653), (1260, 395619), (1323, 376780), (1470, 339102), (1764, 282585), (1890, 263746), (2205, 226068), (2646, 188390), (2940, 169551), (3780, 131873), (4410, 113034), (5292, 94195), (6615, 75356), (8820, 56517), (13230, 37678), (18839, 26460)]