642967220

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{4933}}^1$

素因数の和:4982

約数の個数: 96

約数和(自身を含む): 1657824000

約数和(自身を除く): 1014856780

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 343, 380, 490, 532, 665, 686, 931, 980, 1330, 1372, 1715, 1862, 2660, 3430, 3724, 4655, 4933, 6517, 6860, 9310, 9866, 13034, 18620, 19732, 24665, 26068, 32585, 34531, 49330, 65170, 69062, 93727, 98660, 130340, 138124, 172655, 187454, 241717, 345310, 374908, 468635, 483434, 656089, 690620, 937270, 966868, 1208585, 1312178, 1692019, 1874540, 2417170, 2624356, 3280445, 3384038, 4592623, 4834340, 6560890, 6768076, 8460095, 9185246, 13121780, 16920190, 18370492, 22963115, 32148361, 33840380, 45926230, 64296722, 91852460, 128593444, 160741805, 321483610, 642967220]

約数ペア:

[(1, 642967220), (2, 321483610), (4, 160741805), (5, 128593444), (7, 91852460), (10, 64296722), (14, 45926230), (19, 33840380), (20, 32148361), (28, 22963115), (35, 18370492), (38, 16920190), (49, 13121780), (70, 9185246), (76, 8460095), (95, 6768076), (98, 6560890), (133, 4834340), (140, 4592623), (190, 3384038), (196, 3280445), (245, 2624356), (266, 2417170), (343, 1874540), (380, 1692019), (490, 1312178), (532, 1208585), (665, 966868), (686, 937270), (931, 690620), (980, 656089), (1330, 483434), (1372, 468635), (1715, 374908), (1862, 345310), (2660, 241717), (3430, 187454), (3724, 172655), (4655, 138124), (4933, 130340), (6517, 98660), (6860, 93727), (9310, 69062), (9866, 65170), (13034, 49330), (18620, 34531), (19732, 32585), (24665, 26068)]