177722920

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1\times {\mathrm{269}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 408240000

約数和(自身を除く): 230517080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 199, 269, 332, 398, 415, 538, 664, 796, 830, 995, 1076, 1345, 1592, 1660, 1990, 2152, 2690, 3320, 3980, 5380, 7960, 10760, 16517, 22327, 33034, 44654, 53531, 66068, 82585, 89308, 107062, 111635, 132136, 165170, 178616, 214124, 223270, 267655, 330340, 428248, 446540, 535310, 660680, 893080, 1070620, 2141240, 4443073, 8886146, 17772292, 22215365, 35544584, 44430730, 88861460, 177722920]

約数ペア:

[(1, 177722920), (2, 88861460), (4, 44430730), (5, 35544584), (8, 22215365), (10, 17772292), (20, 8886146), (40, 4443073), (83, 2141240), (166, 1070620), (199, 893080), (269, 660680), (332, 535310), (398, 446540), (415, 428248), (538, 330340), (664, 267655), (796, 223270), (830, 214124), (995, 178616), (1076, 165170), (1345, 132136), (1592, 111635), (1660, 107062), (1990, 89308), (2152, 82585), (2690, 66068), (3320, 53531), (3980, 44654), (5380, 33034), (7960, 22327), (10760, 16517)]