131099240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:259

約数の個数: 128

約数和(自身を含む): 335664000

約数和(自身を除く): 204564760

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 73, 76, 85, 95, 136, 139, 146, 152, 170, 190, 278, 292, 323, 340, 365, 380, 556, 584, 646, 680, 695, 730, 760, 1112, 1241, 1292, 1387, 1390, 1460, 1615, 2363, 2482, 2584, 2641, 2774, 2780, 2920, 3230, 4726, 4964, 5282, 5548, 5560, 6205, 6460, 6935, 9452, 9928, 10147, 10564, 11096, 11815, 12410, 12920, 13205, 13870, 18904, 20294, 21128, 23579, 23630, 24820, 26410, 27740, 40588, 44897, 47158, 47260, 49640, 50735, 52820, 55480, 81176, 89794, 94316, 94520, 101470, 105640, 117895, 172499, 179588, 188632, 192793, 202940, 224485, 235790, 344998, 359176, 385586, 405880, 448970, 471580, 689996, 771172, 862495, 897940, 943160, 963965, 1379992, 1542344, 1724990, 1795880, 1927930, 3277481, 3449980, 3855860, 6554962, 6899960, 7711720, 13109924, 16387405, 26219848, 32774810, 65549620, 131099240]

約数ペア:

[(1, 131099240), (2, 65549620), (4, 32774810), (5, 26219848), (8, 16387405), (10, 13109924), (17, 7711720), (19, 6899960), (20, 6554962), (34, 3855860), (38, 3449980), (40, 3277481), (68, 1927930), (73, 1795880), (76, 1724990), (85, 1542344), (95, 1379992), (136, 963965), (139, 943160), (146, 897940), (152, 862495), (170, 771172), (190, 689996), (278, 471580), (292, 448970), (323, 405880), (340, 385586), (365, 359176), (380, 344998), (556, 235790), (584, 224485), (646, 202940), (680, 192793), (695, 188632), (730, 179588), (760, 172499), (1112, 117895), (1241, 105640), (1292, 101470), (1387, 94520), (1390, 94316), (1460, 89794), (1615, 81176), (2363, 55480), (2482, 52820), (2584, 50735), (2641, 49640), (2774, 47260), (2780, 47158), (2920, 44897), (3230, 40588), (4726, 27740), (4964, 26410), (5282, 24820), (5548, 23630), (5560, 23579), (6205, 21128), (6460, 20294), (6935, 18904), (9452, 13870), (9928, 13205), (10147, 12920), (10564, 12410), (11096, 11815)]