256734467330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{650669}}^1$

素因数の和:650915

約数の個数: 64

約数和(自身を含む): 536318651520

約数和(自身を除く): 279584184190

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 211, 374, 422, 935, 1055, 1870, 2110, 2321, 3587, 4642, 7174, 11605, 17935, 23210, 35870, 39457, 78914, 197285, 394570, 650669, 1301338, 3253345, 6506690, 7157359, 11061373, 14314718, 22122746, 35786795, 55306865, 71573590, 110613730, 121675103, 137291159, 243350206, 274582318, 608375515, 686455795, 1216751030, 1372911590, 1510202749, 2333949703, 3020405498, 4667899406, 7551013745, 11669748515, 15102027490, 23339497030, 25673446733, 51346893466, 128367233665, 256734467330]

約数ペア:

[(1, 256734467330), (2, 128367233665), (5, 51346893466), (10, 25673446733), (11, 23339497030), (17, 15102027490), (22, 11669748515), (34, 7551013745), (55, 4667899406), (85, 3020405498), (110, 2333949703), (170, 1510202749), (187, 1372911590), (211, 1216751030), (374, 686455795), (422, 608375515), (935, 274582318), (1055, 243350206), (1870, 137291159), (2110, 121675103), (2321, 110613730), (3587, 71573590), (4642, 55306865), (7174, 35786795), (11605, 22122746), (17935, 14314718), (23210, 11061373), (35870, 7157359), (39457, 6506690), (78914, 3253345), (197285, 1301338), (394570, 650669)]