388520854540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2398573}}^1$

素因数の和:2398691

約数の個数: 96

約数和(自身を含む): 1015460288640

約数和(自身を除く): 626939434100

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 89, 91, 130, 140, 178, 182, 260, 356, 364, 445, 455, 623, 890, 910, 1157, 1246, 1780, 1820, 2314, 2492, 3115, 4628, 5785, 6230, 8099, 11570, 12460, 16198, 23140, 32396, 40495, 80990, 161980, 2398573, 4797146, 9594292, 11992865, 16790011, 23985730, 31181449, 33580022, 47971460, 62362898, 67160044, 83950055, 124725796, 155907245, 167900110, 213472997, 218270143, 311814490, 335800220, 426945994, 436540286, 623628980, 853891988, 873080572, 1067364985, 1091350715, 1494310979, 2134729970, 2182701430, 2775148961, 2988621958, 4269459940, 4365402860, 5550297922, 5977243916, 7471554895, 11100595844, 13875744805, 14943109790, 19426042727, 27751489610, 29886219580, 38852085454, 55502979220, 77704170908, 97130213635, 194260427270, 388520854540]

約数ペア:

[(1, 388520854540), (2, 194260427270), (4, 97130213635), (5, 77704170908), (7, 55502979220), (10, 38852085454), (13, 29886219580), (14, 27751489610), (20, 19426042727), (26, 14943109790), (28, 13875744805), (35, 11100595844), (52, 7471554895), (65, 5977243916), (70, 5550297922), (89, 4365402860), (91, 4269459940), (130, 2988621958), (140, 2775148961), (178, 2182701430), (182, 2134729970), (260, 1494310979), (356, 1091350715), (364, 1067364985), (445, 873080572), (455, 853891988), (623, 623628980), (890, 436540286), (910, 426945994), (1157, 335800220), (1246, 311814490), (1780, 218270143), (1820, 213472997), (2314, 167900110), (2492, 155907245), (3115, 124725796), (4628, 83950055), (5785, 67160044), (6230, 62362898), (8099, 47971460), (11570, 33580022), (12460, 31181449), (16198, 23985730), (23140, 16790011), (32396, 11992865), (40495, 9594292), (80990, 4797146), (161980, 2398573)]