404615900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{569}}^1$

素因数の和:1143

約数の個数: 72

約数和(自身を含む): 948949680

約数和(自身を除く): 544333780

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 547, 569, 650, 1094, 1138, 1300, 2188, 2276, 2735, 2845, 5470, 5690, 7111, 7397, 10940, 11380, 13675, 14222, 14225, 14794, 27350, 28444, 28450, 29588, 35555, 36985, 54700, 56900, 71110, 73970, 142220, 147940, 177775, 184925, 311243, 355550, 369850, 622486, 711100, 739700, 1244972, 1556215, 3112430, 4046159, 6224860, 7781075, 8092318, 15562150, 16184636, 20230795, 31124300, 40461590, 80923180, 101153975, 202307950, 404615900]

約数ペア:

[(1, 404615900), (2, 202307950), (4, 101153975), (5, 80923180), (10, 40461590), (13, 31124300), (20, 20230795), (25, 16184636), (26, 15562150), (50, 8092318), (52, 7781075), (65, 6224860), (100, 4046159), (130, 3112430), (260, 1556215), (325, 1244972), (547, 739700), (569, 711100), (650, 622486), (1094, 369850), (1138, 355550), (1300, 311243), (2188, 184925), (2276, 177775), (2735, 147940), (2845, 142220), (5470, 73970), (5690, 71110), (7111, 56900), (7397, 54700), (10940, 36985), (11380, 35555), (13675, 29588), (14222, 28450), (14225, 28444), (14794, 27350)]