128417740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{619}}^1$

素因数の和:703

約数の個数: 96

約数和(自身を含む): 314979840

約数和(自身を除く): 186562100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 41, 44, 46, 55, 82, 92, 110, 115, 164, 205, 220, 230, 253, 410, 451, 460, 506, 619, 820, 902, 943, 1012, 1238, 1265, 1804, 1886, 2255, 2476, 2530, 3095, 3772, 4510, 4715, 5060, 6190, 6809, 9020, 9430, 10373, 12380, 13618, 14237, 18860, 20746, 25379, 27236, 28474, 34045, 41492, 50758, 51865, 56948, 68090, 71185, 101516, 103730, 126895, 136180, 142370, 156607, 207460, 253790, 279169, 284740, 313214, 507580, 558338, 583717, 626428, 783035, 1116676, 1167434, 1395845, 1566070, 2334868, 2791690, 2918585, 3132140, 5583380, 5837170, 6420887, 11674340, 12841774, 25683548, 32104435, 64208870, 128417740]

約数ペア:

[(1, 128417740), (2, 64208870), (4, 32104435), (5, 25683548), (10, 12841774), (11, 11674340), (20, 6420887), (22, 5837170), (23, 5583380), (41, 3132140), (44, 2918585), (46, 2791690), (55, 2334868), (82, 1566070), (92, 1395845), (110, 1167434), (115, 1116676), (164, 783035), (205, 626428), (220, 583717), (230, 558338), (253, 507580), (410, 313214), (451, 284740), (460, 279169), (506, 253790), (619, 207460), (820, 156607), (902, 142370), (943, 136180), (1012, 126895), (1238, 103730), (1265, 101516), (1804, 71185), (1886, 68090), (2255, 56948), (2476, 51865), (2530, 50758), (3095, 41492), (3772, 34045), (4510, 28474), (4715, 27236), (5060, 25379), (6190, 20746), (6809, 18860), (9020, 14237), (9430, 13618), (10373, 12380)]