355287460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{7727}}^1$

素因数の和:7777

約数の個数: 72

約数和(自身を含む): 863372160

約数和(自身を除く): 508084700

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 121, 190, 209, 220, 242, 380, 418, 484, 605, 836, 1045, 1210, 2090, 2299, 2420, 4180, 4598, 7727, 9196, 11495, 15454, 22990, 30908, 38635, 45980, 77270, 84997, 146813, 154540, 169994, 293626, 339988, 424985, 587252, 734065, 849970, 934967, 1468130, 1614943, 1699940, 1869934, 2936260, 3229886, 3739868, 4674835, 6459772, 8074715, 9349670, 16149430, 17764373, 18699340, 32298860, 35528746, 71057492, 88821865, 177643730, 355287460]

約数ペア:

[(1, 355287460), (2, 177643730), (4, 88821865), (5, 71057492), (10, 35528746), (11, 32298860), (19, 18699340), (20, 17764373), (22, 16149430), (38, 9349670), (44, 8074715), (55, 6459772), (76, 4674835), (95, 3739868), (110, 3229886), (121, 2936260), (190, 1869934), (209, 1699940), (220, 1614943), (242, 1468130), (380, 934967), (418, 849970), (484, 734065), (605, 587252), (836, 424985), (1045, 339988), (1210, 293626), (2090, 169994), (2299, 154540), (2420, 146813), (4180, 84997), (4598, 77270), (7727, 45980), (9196, 38635), (11495, 30908), (15454, 22990)]