205963380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5273}}^1$

素因数の和:5326

約数の個数: 144

約数和(自身を含む): 737178624

約数和(自身を除く): 531215244

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2170, 2604, 2790, 3255, 3906, 4340, 5273, 5580, 6510, 7812, 9765, 10546, 13020, 15819, 19530, 21092, 26365, 31638, 36911, 39060, 47457, 52730, 63276, 73822, 79095, 94914, 105460, 110733, 147644, 158190, 163463, 184555, 189828, 221466, 237285, 316380, 326926, 332199, 369110, 442932, 474570, 490389, 553665, 653852, 664398, 738220, 817315, 949140, 980778, 1107330, 1144241, 1328796, 1471167, 1634630, 1660995, 1961556, 2214660, 2288482, 2451945, 2942334, 3269260, 3321990, 3432723, 4576964, 4903890, 5721205, 5884668, 6643980, 6865446, 7355835, 9807780, 10298169, 11442410, 13730892, 14711670, 17163615, 20596338, 22884820, 29423340, 34327230, 41192676, 51490845, 68654460, 102981690, 205963380]

約数ペア:

[(1, 205963380), (2, 102981690), (3, 68654460), (4, 51490845), (5, 41192676), (6, 34327230), (7, 29423340), (9, 22884820), (10, 20596338), (12, 17163615), (14, 14711670), (15, 13730892), (18, 11442410), (20, 10298169), (21, 9807780), (28, 7355835), (30, 6865446), (31, 6643980), (35, 5884668), (36, 5721205), (42, 4903890), (45, 4576964), (60, 3432723), (62, 3321990), (63, 3269260), (70, 2942334), (84, 2451945), (90, 2288482), (93, 2214660), (105, 1961556), (124, 1660995), (126, 1634630), (140, 1471167), (155, 1328796), (180, 1144241), (186, 1107330), (210, 980778), (217, 949140), (252, 817315), (279, 738220), (310, 664398), (315, 653852), (372, 553665), (420, 490389), (434, 474570), (465, 442932), (558, 369110), (620, 332199), (630, 326926), (651, 316380), (868, 237285), (930, 221466), (1085, 189828), (1116, 184555), (1260, 163463), (1302, 158190), (1395, 147644), (1860, 110733), (1953, 105460), (2170, 94914), (2604, 79095), (2790, 73822), (3255, 63276), (3906, 52730), (4340, 47457), (5273, 39060), (5580, 36911), (6510, 31638), (7812, 26365), (9765, 21092), (10546, 19530), (13020, 15819)]