156938783420

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1\times {\mathrm{499}}^1\times {\mathrm{1489}}^1$

素因数の和:2235

約数の個数: 96

約数和(自身を含む): 337932000000

約数和(自身を除く): 180993216580

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 179, 236, 295, 358, 499, 590, 716, 895, 998, 1180, 1489, 1790, 1996, 2495, 2978, 3580, 4990, 5956, 7445, 9980, 10561, 14890, 21122, 29441, 29780, 42244, 52805, 58882, 87851, 89321, 105610, 117764, 147205, 175702, 178642, 211220, 266531, 294410, 351404, 357284, 439255, 446605, 533062, 588820, 743011, 878510, 893210, 1066124, 1332655, 1486022, 1757020, 1786420, 2665310, 2972044, 3715055, 5269939, 5330620, 7430110, 10539878, 14860220, 15725329, 21079756, 26349695, 31450658, 43837649, 52699390, 62901316, 78626645, 87675298, 105398780, 132998969, 157253290, 175350596, 219188245, 265997938, 314506580, 438376490, 531995876, 664994845, 876752980, 1329989690, 2659979380, 7846939171, 15693878342, 31387756684, 39234695855, 78469391710, 156938783420]

約数ペア:

[(1, 156938783420), (2, 78469391710), (4, 39234695855), (5, 31387756684), (10, 15693878342), (20, 7846939171), (59, 2659979380), (118, 1329989690), (179, 876752980), (236, 664994845), (295, 531995876), (358, 438376490), (499, 314506580), (590, 265997938), (716, 219188245), (895, 175350596), (998, 157253290), (1180, 132998969), (1489, 105398780), (1790, 87675298), (1996, 78626645), (2495, 62901316), (2978, 52699390), (3580, 43837649), (4990, 31450658), (5956, 26349695), (7445, 21079756), (9980, 15725329), (10561, 14860220), (14890, 10539878), (21122, 7430110), (29441, 5330620), (29780, 5269939), (42244, 3715055), (52805, 2972044), (58882, 2665310), (87851, 1786420), (89321, 1757020), (105610, 1486022), (117764, 1332655), (147205, 1066124), (175702, 893210), (178642, 878510), (211220, 743011), (266531, 588820), (294410, 533062), (351404, 446605), (357284, 439255)]