488241320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{56249}}^1$

素因数の和:56298

約数の個数: 64

約数和(自身を含む): 1296000000

約数和(自身を除く): 807758680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 56249, 112498, 224996, 281245, 393743, 449992, 562490, 787486, 1124980, 1574972, 1743719, 1968715, 2249960, 3149944, 3487438, 3937430, 6974876, 7874860, 8718595, 12206033, 13949752, 15749720, 17437190, 24412066, 34874380, 48824132, 61030165, 69748760, 97648264, 122060330, 244120660, 488241320]

約数ペア:

[(1, 488241320), (2, 244120660), (4, 122060330), (5, 97648264), (7, 69748760), (8, 61030165), (10, 48824132), (14, 34874380), (20, 24412066), (28, 17437190), (31, 15749720), (35, 13949752), (40, 12206033), (56, 8718595), (62, 7874860), (70, 6974876), (124, 3937430), (140, 3487438), (155, 3149944), (217, 2249960), (248, 1968715), (280, 1743719), (310, 1574972), (434, 1124980), (620, 787486), (868, 562490), (1085, 449992), (1240, 393743), (1736, 281245), (2170, 224996), (4340, 112498), (8680, 56249)]