401526940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{9239}}^1$

素因数の和:9342

約数の個数: 48

約数和(自身を含む): 880165440

約数和(自身を除く): 478638500

約数列:

[1, 2, 4, 5, 10, 20, 41, 53, 82, 106, 164, 205, 212, 265, 410, 530, 820, 1060, 2173, 4346, 8692, 9239, 10865, 18478, 21730, 36956, 43460, 46195, 92390, 184780, 378799, 489667, 757598, 979334, 1515196, 1893995, 1958668, 2448335, 3787990, 4896670, 7575980, 9793340, 20076347, 40152694, 80305388, 100381735, 200763470, 401526940]

約数ペア:

[(1, 401526940), (2, 200763470), (4, 100381735), (5, 80305388), (10, 40152694), (20, 20076347), (41, 9793340), (53, 7575980), (82, 4896670), (106, 3787990), (164, 2448335), (205, 1958668), (212, 1893995), (265, 1515196), (410, 979334), (530, 757598), (820, 489667), (1060, 378799), (2173, 184780), (4346, 92390), (8692, 46195), (9239, 43460), (10865, 36956), (18478, 21730)]