65776670

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 130394880

約数和(自身を除く): 64618210

約数列:

[1, 2, 5, 10, 19, 38, 43, 83, 86, 95, 97, 166, 190, 194, 215, 415, 430, 485, 817, 830, 970, 1577, 1634, 1843, 3154, 3569, 3686, 4085, 4171, 7138, 7885, 8051, 8170, 8342, 9215, 15770, 16102, 17845, 18430, 20855, 35690, 40255, 41710, 67811, 79249, 80510, 135622, 152969, 158498, 305938, 339055, 346193, 396245, 678110, 692386, 764845, 792490, 1529690, 1730965, 3461930, 6577667, 13155334, 32888335, 65776670]

約数ペア:

[(1, 65776670), (2, 32888335), (5, 13155334), (10, 6577667), (19, 3461930), (38, 1730965), (43, 1529690), (83, 792490), (86, 764845), (95, 692386), (97, 678110), (166, 396245), (190, 346193), (194, 339055), (215, 305938), (415, 158498), (430, 152969), (485, 135622), (817, 80510), (830, 79249), (970, 67811), (1577, 41710), (1634, 40255), (1843, 35690), (3154, 20855), (3569, 18430), (3686, 17845), (4085, 16102), (4171, 15770), (7138, 9215), (7885, 8342), (8051, 8170)]