291237730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{4889}}^1$

素因数の和:4963

約数の個数: 64

約数和(自身を含む): 642193920

約数和(自身を除く): 350956190

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 37, 46, 70, 74, 115, 161, 185, 230, 259, 322, 370, 518, 805, 851, 1295, 1610, 1702, 2590, 4255, 4889, 5957, 8510, 9778, 11914, 24445, 29785, 34223, 48890, 59570, 68446, 112447, 171115, 180893, 224894, 342230, 361786, 562235, 787129, 904465, 1124470, 1266251, 1574258, 1808930, 2532502, 3935645, 4160539, 6331255, 7871290, 8321078, 12662510, 20802695, 29123773, 41605390, 58247546, 145618865, 291237730]

約数ペア:

[(1, 291237730), (2, 145618865), (5, 58247546), (7, 41605390), (10, 29123773), (14, 20802695), (23, 12662510), (35, 8321078), (37, 7871290), (46, 6331255), (70, 4160539), (74, 3935645), (115, 2532502), (161, 1808930), (185, 1574258), (230, 1266251), (259, 1124470), (322, 904465), (370, 787129), (518, 562235), (805, 361786), (851, 342230), (1295, 224894), (1610, 180893), (1702, 171115), (2590, 112447), (4255, 68446), (4889, 59570), (5957, 48890), (8510, 34223), (9778, 29785), (11914, 24445)]