217245420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{24631}}^1$

素因数の和:24660

約数の個数: 108

約数和(自身を含む): 766597104

約数和(自身を除く): 549351684

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 24631, 49262, 73893, 98524, 123155, 147786, 172417, 221679, 246310, 295572, 344834, 369465, 443358, 492620, 517251, 689668, 738930, 862085, 886716, 1034502, 1108395, 1206919, 1477860, 1551753, 1724170, 2069004, 2216790, 2413838, 2586255, 3103506, 3448340, 3620757, 4433580, 4827676, 5172510, 6034595, 6207012, 7241514, 7758765, 10345020, 10862271, 12069190, 14483028, 15517530, 18103785, 21724542, 24138380, 31035060, 36207570, 43449084, 54311355, 72415140, 108622710, 217245420]

約数ペア:

[(1, 217245420), (2, 108622710), (3, 72415140), (4, 54311355), (5, 43449084), (6, 36207570), (7, 31035060), (9, 24138380), (10, 21724542), (12, 18103785), (14, 15517530), (15, 14483028), (18, 12069190), (20, 10862271), (21, 10345020), (28, 7758765), (30, 7241514), (35, 6207012), (36, 6034595), (42, 5172510), (45, 4827676), (49, 4433580), (60, 3620757), (63, 3448340), (70, 3103506), (84, 2586255), (90, 2413838), (98, 2216790), (105, 2069004), (126, 1724170), (140, 1551753), (147, 1477860), (180, 1206919), (196, 1108395), (210, 1034502), (245, 886716), (252, 862085), (294, 738930), (315, 689668), (420, 517251), (441, 492620), (490, 443358), (588, 369465), (630, 344834), (735, 295572), (882, 246310), (980, 221679), (1260, 172417), (1470, 147786), (1764, 123155), (2205, 98524), (2940, 73893), (4410, 49262), (8820, 24631)]