408064505960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{509}}^1\times {\mathrm{6277}}^1$

素因数の和:6931

約数の個数: 128

約数和(自身を含む): 958997145600

約数和(自身を除く): 550932639640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 103, 124, 155, 206, 248, 310, 412, 509, 515, 620, 824, 1018, 1030, 1240, 2036, 2060, 2545, 3193, 4072, 4120, 5090, 6277, 6386, 10180, 12554, 12772, 15779, 15965, 20360, 25108, 25544, 31385, 31558, 31930, 50216, 52427, 62770, 63116, 63860, 78895, 104854, 125540, 126232, 127720, 157790, 194587, 209708, 251080, 262135, 315580, 389174, 419416, 524270, 631160, 646531, 778348, 972935, 1048540, 1293062, 1556696, 1625237, 1945870, 2097080, 2586124, 3194993, 3232655, 3250474, 3891740, 5172248, 6389986, 6465310, 6500948, 7783480, 8126185, 12779972, 12930620, 13001896, 15974965, 16252370, 20042461, 25559944, 25861240, 31949930, 32504740, 40084922, 63899860, 65009480, 80169844, 99044783, 100212305, 127799720, 160339688, 198089566, 200424610, 329084279, 396179132, 400849220, 495223915, 658168558, 792358264, 801698440, 990447830, 1316337116, 1645421395, 1980895660, 2632674232, 3290842790, 3961791320, 6581685580, 10201612649, 13163371160, 20403225298, 40806450596, 51008063245, 81612901192, 102016126490, 204032252980, 408064505960]

約数ペア:

[(1, 408064505960), (2, 204032252980), (4, 102016126490), (5, 81612901192), (8, 51008063245), (10, 40806450596), (20, 20403225298), (31, 13163371160), (40, 10201612649), (62, 6581685580), (103, 3961791320), (124, 3290842790), (155, 2632674232), (206, 1980895660), (248, 1645421395), (310, 1316337116), (412, 990447830), (509, 801698440), (515, 792358264), (620, 658168558), (824, 495223915), (1018, 400849220), (1030, 396179132), (1240, 329084279), (2036, 200424610), (2060, 198089566), (2545, 160339688), (3193, 127799720), (4072, 100212305), (4120, 99044783), (5090, 80169844), (6277, 65009480), (6386, 63899860), (10180, 40084922), (12554, 32504740), (12772, 31949930), (15779, 25861240), (15965, 25559944), (20360, 20042461), (25108, 16252370), (25544, 15974965), (31385, 13001896), (31558, 12930620), (31930, 12779972), (50216, 8126185), (52427, 7783480), (62770, 6500948), (63116, 6465310), (63860, 6389986), (78895, 5172248), (104854, 3891740), (125540, 3250474), (126232, 3232655), (127720, 3194993), (157790, 2586124), (194587, 2097080), (209708, 1945870), (251080, 1625237), (262135, 1556696), (315580, 1293062), (389174, 1048540), (419416, 972935), (524270, 778348), (631160, 646531)]