196589900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1559}}^1$

素因数の和:1683

約数の個数: 72

約数和(自身を含む): 464449440

約数和(自身を除く): 267859540

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 97, 100, 130, 194, 260, 325, 388, 485, 650, 970, 1261, 1300, 1559, 1940, 2425, 2522, 3118, 4850, 5044, 6236, 6305, 7795, 9700, 12610, 15590, 20267, 25220, 31180, 31525, 38975, 40534, 63050, 77950, 81068, 101335, 126100, 151223, 155900, 202670, 302446, 405340, 506675, 604892, 756115, 1013350, 1512230, 1965899, 2026700, 3024460, 3780575, 3931798, 7561150, 7863596, 9829495, 15122300, 19658990, 39317980, 49147475, 98294950, 196589900]

約数ペア:

[(1, 196589900), (2, 98294950), (4, 49147475), (5, 39317980), (10, 19658990), (13, 15122300), (20, 9829495), (25, 7863596), (26, 7561150), (50, 3931798), (52, 3780575), (65, 3024460), (97, 2026700), (100, 1965899), (130, 1512230), (194, 1013350), (260, 756115), (325, 604892), (388, 506675), (485, 405340), (650, 302446), (970, 202670), (1261, 155900), (1300, 151223), (1559, 126100), (1940, 101335), (2425, 81068), (2522, 77950), (3118, 63050), (4850, 40534), (5044, 38975), (6236, 31525), (6305, 31180), (7795, 25220), (9700, 20267), (12610, 15590)]