28673660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1237}}^1$

素因数の和:1326

約数の個数: 48

約数和(自身を含む): 64475040

約数和(自身を除く): 35801380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 610, 1159, 1220, 1237, 2318, 2474, 4636, 4948, 5795, 6185, 11590, 12370, 23180, 23503, 24740, 47006, 75457, 94012, 117515, 150914, 235030, 301828, 377285, 470060, 754570, 1433683, 1509140, 2867366, 5734732, 7168415, 14336830, 28673660]

約数ペア:

[(1, 28673660), (2, 14336830), (4, 7168415), (5, 5734732), (10, 2867366), (19, 1509140), (20, 1433683), (38, 754570), (61, 470060), (76, 377285), (95, 301828), (122, 235030), (190, 150914), (244, 117515), (305, 94012), (380, 75457), (610, 47006), (1159, 24740), (1220, 23503), (1237, 23180), (2318, 12370), (2474, 11590), (4636, 6185), (4948, 5795)]