199278690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1\times {\mathrm{977}}^1$

素因数の和:1523

約数の個数: 64

約数和(自身を含む): 516571776

約数和(自身を除く): 317293086

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 523, 977, 1046, 1569, 1954, 2615, 2931, 3138, 4885, 5230, 5862, 6799, 7845, 9770, 12701, 13598, 14655, 15690, 20397, 25402, 29310, 33995, 38103, 40794, 63505, 67990, 76206, 101985, 127010, 190515, 203970, 381030, 510971, 1021942, 1532913, 2554855, 3065826, 5109710, 6642623, 7664565, 13285246, 15329130, 19927869, 33213115, 39855738, 66426230, 99639345, 199278690]

約数ペア:

[(1, 199278690), (2, 99639345), (3, 66426230), (5, 39855738), (6, 33213115), (10, 19927869), (13, 15329130), (15, 13285246), (26, 7664565), (30, 6642623), (39, 5109710), (65, 3065826), (78, 2554855), (130, 1532913), (195, 1021942), (390, 510971), (523, 381030), (977, 203970), (1046, 190515), (1569, 127010), (1954, 101985), (2615, 76206), (2931, 67990), (3138, 63505), (4885, 40794), (5230, 38103), (5862, 33995), (6799, 29310), (7845, 25402), (9770, 20397), (12701, 15690), (13598, 14655)]