2004418520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{2179}}^1$

素因数の和:2293

約数の個数: 128

約数和(自身を含む): 5109048000

約数和(自身を除く): 3104629480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 61, 65, 104, 116, 122, 130, 145, 232, 244, 260, 290, 305, 377, 488, 520, 580, 610, 754, 793, 1160, 1220, 1508, 1586, 1769, 1885, 2179, 2440, 3016, 3172, 3538, 3770, 3965, 4358, 6344, 7076, 7540, 7930, 8716, 8845, 10895, 14152, 15080, 15860, 17432, 17690, 21790, 22997, 28327, 31720, 35380, 43580, 45994, 56654, 63191, 70760, 87160, 91988, 113308, 114985, 126382, 132919, 141635, 183976, 226616, 229970, 252764, 265838, 283270, 315955, 459940, 505528, 531676, 566540, 631910, 664595, 821483, 919880, 1063352, 1133080, 1263820, 1329190, 1642966, 1727947, 2527640, 2658380, 3285932, 3455894, 3854651, 4107415, 5316760, 6571864, 6911788, 7709302, 8214830, 8639735, 13823576, 15418604, 16429660, 17279470, 19273255, 30837208, 32859320, 34558940, 38546510, 50110463, 69117880, 77093020, 100220926, 154186040, 200441852, 250552315, 400883704, 501104630, 1002209260, 2004418520]

約数ペア:

[(1, 2004418520), (2, 1002209260), (4, 501104630), (5, 400883704), (8, 250552315), (10, 200441852), (13, 154186040), (20, 100220926), (26, 77093020), (29, 69117880), (40, 50110463), (52, 38546510), (58, 34558940), (61, 32859320), (65, 30837208), (104, 19273255), (116, 17279470), (122, 16429660), (130, 15418604), (145, 13823576), (232, 8639735), (244, 8214830), (260, 7709302), (290, 6911788), (305, 6571864), (377, 5316760), (488, 4107415), (520, 3854651), (580, 3455894), (610, 3285932), (754, 2658380), (793, 2527640), (1160, 1727947), (1220, 1642966), (1508, 1329190), (1586, 1263820), (1769, 1133080), (1885, 1063352), (2179, 919880), (2440, 821483), (3016, 664595), (3172, 631910), (3538, 566540), (3770, 531676), (3965, 505528), (4358, 459940), (6344, 315955), (7076, 283270), (7540, 265838), (7930, 252764), (8716, 229970), (8845, 226616), (10895, 183976), (14152, 141635), (15080, 132919), (15860, 126382), (17432, 114985), (17690, 113308), (21790, 91988), (22997, 87160), (28327, 70760), (31720, 63191), (35380, 56654), (43580, 45994)]