76891780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2531}}^1$

素因数の和:2585

約数の個数: 72

約数和(自身を含む): 193971456

約数和(自身を除く): 117079676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 2170, 2531, 3038, 4340, 5062, 6076, 7595, 10124, 12655, 15190, 17717, 25310, 30380, 35434, 50620, 70868, 78461, 88585, 124019, 156922, 177170, 248038, 313844, 354340, 392305, 496076, 549227, 620095, 784610, 1098454, 1240190, 1569220, 2196908, 2480380, 2746135, 3844589, 5492270, 7689178, 10984540, 15378356, 19222945, 38445890, 76891780]

約数ペア:

[(1, 76891780), (2, 38445890), (4, 19222945), (5, 15378356), (7, 10984540), (10, 7689178), (14, 5492270), (20, 3844589), (28, 2746135), (31, 2480380), (35, 2196908), (49, 1569220), (62, 1240190), (70, 1098454), (98, 784610), (124, 620095), (140, 549227), (155, 496076), (196, 392305), (217, 354340), (245, 313844), (310, 248038), (434, 177170), (490, 156922), (620, 124019), (868, 88585), (980, 78461), (1085, 70868), (1519, 50620), (2170, 35434), (2531, 30380), (3038, 25310), (4340, 17717), (5062, 15190), (6076, 12655), (7595, 10124)]