201803920

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{863}}^1$

素因数の和:992

約数の個数: 80

約数和(自身を含む): 488540160

約数和(自身を除く): 286736240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 79, 80, 148, 158, 185, 296, 316, 370, 395, 592, 632, 740, 790, 863, 1264, 1480, 1580, 1726, 2923, 2960, 3160, 3452, 4315, 5846, 6320, 6904, 8630, 11692, 13808, 14615, 17260, 23384, 29230, 31931, 34520, 46768, 58460, 63862, 68177, 69040, 116920, 127724, 136354, 159655, 233840, 255448, 272708, 319310, 340885, 510896, 545416, 638620, 681770, 1090832, 1277240, 1363540, 2522549, 2554480, 2727080, 5045098, 5454160, 10090196, 12612745, 20180392, 25225490, 40360784, 50450980, 100901960, 201803920]

約数ペア:

[(1, 201803920), (2, 100901960), (4, 50450980), (5, 40360784), (8, 25225490), (10, 20180392), (16, 12612745), (20, 10090196), (37, 5454160), (40, 5045098), (74, 2727080), (79, 2554480), (80, 2522549), (148, 1363540), (158, 1277240), (185, 1090832), (296, 681770), (316, 638620), (370, 545416), (395, 510896), (592, 340885), (632, 319310), (740, 272708), (790, 255448), (863, 233840), (1264, 159655), (1480, 136354), (1580, 127724), (1726, 116920), (2923, 69040), (2960, 68177), (3160, 63862), (3452, 58460), (4315, 46768), (5846, 34520), (6320, 31931), (6904, 29230), (8630, 23384), (11692, 17260), (13808, 14615)]