868455420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{2221}}^1$

素因数の和:2273

約数の個数: 192

約数和(自身を含む): 2986368000

約数和(自身を除く): 2117912580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 343, 380, 399, 420, 490, 532, 570, 588, 665, 686, 735, 798, 931, 980, 1029, 1140, 1330, 1372, 1470, 1596, 1715, 1862, 1995, 2058, 2221, 2660, 2793, 2940, 3430, 3724, 3990, 4116, 4442, 4655, 5145, 5586, 6517, 6663, 6860, 7980, 8884, 9310, 10290, 11105, 11172, 13034, 13326, 13965, 15547, 18620, 19551, 20580, 22210, 26068, 26652, 27930, 31094, 32585, 33315, 39102, 42199, 44420, 46641, 55860, 62188, 65170, 66630, 77735, 78204, 84398, 93282, 97755, 108829, 126597, 130340, 133260, 155470, 168796, 186564, 195510, 210995, 217658, 233205, 253194, 295393, 310940, 326487, 391020, 421990, 435316, 466410, 506388, 544145, 590786, 632985, 652974, 761803, 843980, 886179, 932820, 1088290, 1181572, 1265970, 1305948, 1476965, 1523606, 1632435, 1772358, 2067751, 2176580, 2285409, 2531940, 2953930, 3047212, 3264870, 3544716, 3809015, 4135502, 4430895, 4570818, 5907860, 6203253, 6529740, 7618030, 8271004, 8861790, 9141636, 10338755, 11427045, 12406506, 14474257, 15236060, 17723580, 20677510, 22854090, 24813012, 28948514, 31016265, 41355020, 43422771, 45708180, 57897028, 62032530, 72371285, 86845542, 124065060, 144742570, 173691084, 217113855, 289485140, 434227710, 868455420]

約数ペア:

[(1, 868455420), (2, 434227710), (3, 289485140), (4, 217113855), (5, 173691084), (6, 144742570), (7, 124065060), (10, 86845542), (12, 72371285), (14, 62032530), (15, 57897028), (19, 45708180), (20, 43422771), (21, 41355020), (28, 31016265), (30, 28948514), (35, 24813012), (38, 22854090), (42, 20677510), (49, 17723580), (57, 15236060), (60, 14474257), (70, 12406506), (76, 11427045), (84, 10338755), (95, 9141636), (98, 8861790), (105, 8271004), (114, 7618030), (133, 6529740), (140, 6203253), (147, 5907860), (190, 4570818), (196, 4430895), (210, 4135502), (228, 3809015), (245, 3544716), (266, 3264870), (285, 3047212), (294, 2953930), (343, 2531940), (380, 2285409), (399, 2176580), (420, 2067751), (490, 1772358), (532, 1632435), (570, 1523606), (588, 1476965), (665, 1305948), (686, 1265970), (735, 1181572), (798, 1088290), (931, 932820), (980, 886179), (1029, 843980), (1140, 761803), (1330, 652974), (1372, 632985), (1470, 590786), (1596, 544145), (1715, 506388), (1862, 466410), (1995, 435316), (2058, 421990), (2221, 391020), (2660, 326487), (2793, 310940), (2940, 295393), (3430, 253194), (3724, 233205), (3990, 217658), (4116, 210995), (4442, 195510), (4655, 186564), (5145, 168796), (5586, 155470), (6517, 133260), (6663, 130340), (6860, 126597), (7980, 108829), (8884, 97755), (9310, 93282), (10290, 84398), (11105, 78204), (11172, 77735), (13034, 66630), (13326, 65170), (13965, 62188), (15547, 55860), (18620, 46641), (19551, 44420), (20580, 42199), (22210, 39102), (26068, 33315), (26652, 32585), (27930, 31094)]