489489420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{331}}^1\times {\mathrm{503}}^1$

素因数の和:860

約数の個数: 144

約数和(自身を含む): 1602332928

約数和(自身を除く): 1112843508

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 331, 420, 490, 503, 588, 662, 735, 980, 993, 1006, 1324, 1470, 1509, 1655, 1986, 2012, 2317, 2515, 2940, 3018, 3310, 3521, 3972, 4634, 4965, 5030, 6036, 6620, 6951, 7042, 7545, 9268, 9930, 10060, 10563, 11585, 13902, 14084, 15090, 16219, 17605, 19860, 21126, 23170, 24647, 27804, 30180, 32438, 34755, 35210, 42252, 46340, 48657, 49294, 52815, 64876, 69510, 70420, 73941, 81095, 97314, 98588, 105630, 123235, 139020, 147882, 162190, 166493, 194628, 211260, 243285, 246470, 295764, 324380, 332986, 369705, 486570, 492940, 499479, 665972, 739410, 832465, 973140, 998958, 1165451, 1478820, 1664930, 1997916, 2330902, 2497395, 3329860, 3496353, 4661804, 4994790, 5827255, 6992706, 8158157, 9989580, 11654510, 13985412, 16316314, 17481765, 23309020, 24474471, 32632628, 34963530, 40790785, 48948942, 69927060, 81581570, 97897884, 122372355, 163163140, 244744710, 489489420]

約数ペア:

[(1, 489489420), (2, 244744710), (3, 163163140), (4, 122372355), (5, 97897884), (6, 81581570), (7, 69927060), (10, 48948942), (12, 40790785), (14, 34963530), (15, 32632628), (20, 24474471), (21, 23309020), (28, 17481765), (30, 16316314), (35, 13985412), (42, 11654510), (49, 9989580), (60, 8158157), (70, 6992706), (84, 5827255), (98, 4994790), (105, 4661804), (140, 3496353), (147, 3329860), (196, 2497395), (210, 2330902), (245, 1997916), (294, 1664930), (331, 1478820), (420, 1165451), (490, 998958), (503, 973140), (588, 832465), (662, 739410), (735, 665972), (980, 499479), (993, 492940), (1006, 486570), (1324, 369705), (1470, 332986), (1509, 324380), (1655, 295764), (1986, 246470), (2012, 243285), (2317, 211260), (2515, 194628), (2940, 166493), (3018, 162190), (3310, 147882), (3521, 139020), (3972, 123235), (4634, 105630), (4965, 98588), (5030, 97314), (6036, 81095), (6620, 73941), (6951, 70420), (7042, 69510), (7545, 64876), (9268, 52815), (9930, 49294), (10060, 48657), (10563, 46340), (11585, 42252), (13902, 35210), (14084, 34755), (15090, 32438), (16219, 30180), (17605, 27804), (19860, 24647), (21126, 23170)]