208899990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2927}}^1$

素因数の和:3014

約数の個数: 96

約数和(自身を含む): 594711936

約数和(自身を除く): 385811946

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 61, 65, 78, 90, 117, 122, 130, 183, 195, 234, 305, 366, 390, 549, 585, 610, 793, 915, 1098, 1170, 1586, 1830, 2379, 2745, 2927, 3965, 4758, 5490, 5854, 7137, 7930, 8781, 11895, 14274, 14635, 17562, 23790, 26343, 29270, 35685, 38051, 43905, 52686, 71370, 76102, 87810, 114153, 131715, 178547, 190255, 228306, 263430, 342459, 357094, 380510, 535641, 570765, 684918, 892735, 1071282, 1141530, 1606923, 1712295, 1785470, 2321111, 2678205, 3213846, 3424590, 4642222, 5356410, 6963333, 8034615, 11605555, 13926666, 16069230, 20889999, 23211110, 34816665, 41779998, 69633330, 104449995, 208899990]

約数ペア:

[(1, 208899990), (2, 104449995), (3, 69633330), (5, 41779998), (6, 34816665), (9, 23211110), (10, 20889999), (13, 16069230), (15, 13926666), (18, 11605555), (26, 8034615), (30, 6963333), (39, 5356410), (45, 4642222), (61, 3424590), (65, 3213846), (78, 2678205), (90, 2321111), (117, 1785470), (122, 1712295), (130, 1606923), (183, 1141530), (195, 1071282), (234, 892735), (305, 684918), (366, 570765), (390, 535641), (549, 380510), (585, 357094), (610, 342459), (793, 263430), (915, 228306), (1098, 190255), (1170, 178547), (1586, 131715), (1830, 114153), (2379, 87810), (2745, 76102), (2927, 71370), (3965, 52686), (4758, 43905), (5490, 38051), (5854, 35685), (7137, 29270), (7930, 26343), (8781, 23790), (11895, 17562), (14274, 14635)]