1803200980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:458

約数の個数: 144

約数和(自身を含む): 4537587600

約数和(自身を除く): 2734386620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 98, 106, 140, 149, 196, 212, 233, 245, 265, 298, 371, 466, 490, 530, 596, 742, 745, 932, 980, 1043, 1060, 1165, 1484, 1490, 1631, 1855, 2086, 2330, 2597, 2980, 3262, 3710, 4172, 4660, 5194, 5215, 6524, 7301, 7420, 7897, 8155, 10388, 10430, 11417, 12349, 12985, 14602, 15794, 16310, 20860, 22834, 24698, 25970, 29204, 31588, 32620, 34717, 36505, 39485, 45668, 49396, 51940, 55279, 57085, 61745, 69434, 73010, 78970, 86443, 110558, 114170, 123490, 138868, 146020, 157940, 172886, 173585, 221116, 228340, 243019, 246980, 276395, 345772, 347170, 386953, 432215, 486038, 552790, 605101, 694340, 773906, 864430, 972076, 1105580, 1210202, 1215095, 1547812, 1701133, 1728860, 1840001, 1934765, 2420404, 2430190, 3025505, 3402266, 3680002, 3869530, 4860380, 6051010, 6804532, 7360004, 7739060, 8505665, 9200005, 12102020, 12880007, 17011330, 18400010, 25760014, 34022660, 36800020, 51520028, 64400035, 90160049, 128800070, 180320098, 257600140, 360640196, 450800245, 901600490, 1803200980]

約数ペア:

[(1, 1803200980), (2, 901600490), (4, 450800245), (5, 360640196), (7, 257600140), (10, 180320098), (14, 128800070), (20, 90160049), (28, 64400035), (35, 51520028), (49, 36800020), (53, 34022660), (70, 25760014), (98, 18400010), (106, 17011330), (140, 12880007), (149, 12102020), (196, 9200005), (212, 8505665), (233, 7739060), (245, 7360004), (265, 6804532), (298, 6051010), (371, 4860380), (466, 3869530), (490, 3680002), (530, 3402266), (596, 3025505), (742, 2430190), (745, 2420404), (932, 1934765), (980, 1840001), (1043, 1728860), (1060, 1701133), (1165, 1547812), (1484, 1215095), (1490, 1210202), (1631, 1105580), (1855, 972076), (2086, 864430), (2330, 773906), (2597, 694340), (2980, 605101), (3262, 552790), (3710, 486038), (4172, 432215), (4660, 386953), (5194, 347170), (5215, 345772), (6524, 276395), (7301, 246980), (7420, 243019), (7897, 228340), (8155, 221116), (10388, 173585), (10430, 172886), (11417, 157940), (12349, 146020), (12985, 138868), (14602, 123490), (15794, 114170), (16310, 110558), (20860, 86443), (22834, 78970), (24698, 73010), (25970, 69434), (29204, 61745), (31588, 57085), (32620, 55279), (34717, 51940), (36505, 49396), (39485, 45668)]