30620870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 66134016

約数和(自身を除く): 35513146

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 103, 137, 155, 206, 217, 274, 310, 434, 515, 685, 721, 959, 1030, 1085, 1370, 1442, 1918, 2170, 3193, 3605, 4247, 4795, 6386, 7210, 8494, 9590, 14111, 15965, 21235, 22351, 28222, 29729, 31930, 42470, 44702, 59458, 70555, 98777, 111755, 141110, 148645, 197554, 223510, 297290, 437441, 493885, 874882, 987770, 2187205, 3062087, 4374410, 6124174, 15310435, 30620870]

約数ペア:

[(1, 30620870), (2, 15310435), (5, 6124174), (7, 4374410), (10, 3062087), (14, 2187205), (31, 987770), (35, 874882), (62, 493885), (70, 437441), (103, 297290), (137, 223510), (155, 197554), (206, 148645), (217, 141110), (274, 111755), (310, 98777), (434, 70555), (515, 59458), (685, 44702), (721, 42470), (959, 31930), (1030, 29729), (1085, 28222), (1370, 22351), (1442, 21235), (1918, 15965), (2170, 14111), (3193, 9590), (3605, 8494), (4247, 7210), (4795, 6386)]