456368980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{2039}}^1$

素因数の和:2117

約数の個数: 72

約数和(自身を含む): 1044610560

約数和(自身を除く): 588241580

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 361, 380, 589, 620, 722, 1178, 1444, 1805, 2039, 2356, 2945, 3610, 4078, 5890, 7220, 8156, 10195, 11191, 11780, 20390, 22382, 38741, 40780, 44764, 55955, 63209, 77482, 111910, 126418, 154964, 193705, 223820, 252836, 316045, 387410, 632090, 736079, 774820, 1200971, 1264180, 1472158, 2401942, 2944316, 3680395, 4803884, 6004855, 7360790, 12009710, 14721580, 22818449, 24019420, 45636898, 91273796, 114092245, 228184490, 456368980]

約数ペア:

[(1, 456368980), (2, 228184490), (4, 114092245), (5, 91273796), (10, 45636898), (19, 24019420), (20, 22818449), (31, 14721580), (38, 12009710), (62, 7360790), (76, 6004855), (95, 4803884), (124, 3680395), (155, 2944316), (190, 2401942), (310, 1472158), (361, 1264180), (380, 1200971), (589, 774820), (620, 736079), (722, 632090), (1178, 387410), (1444, 316045), (1805, 252836), (2039, 223820), (2356, 193705), (2945, 154964), (3610, 126418), (4078, 111910), (5890, 77482), (7220, 63209), (8156, 55955), (10195, 44764), (11191, 40780), (11780, 38741), (20390, 22382)]