149290420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{619}}^1$

素因数の和:1048

約数の個数: 48

約数和(自身を含む): 324979200

約数和(自身を除く): 175688780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 389, 619, 620, 778, 1238, 1556, 1945, 2476, 3095, 3890, 6190, 7780, 12059, 12380, 19189, 24118, 38378, 48236, 60295, 76756, 95945, 120590, 191890, 240791, 241180, 383780, 481582, 963164, 1203955, 2407910, 4815820, 7464521, 14929042, 29858084, 37322605, 74645210, 149290420]

約数ペア:

[(1, 149290420), (2, 74645210), (4, 37322605), (5, 29858084), (10, 14929042), (20, 7464521), (31, 4815820), (62, 2407910), (124, 1203955), (155, 963164), (310, 481582), (389, 383780), (619, 241180), (620, 240791), (778, 191890), (1238, 120590), (1556, 95945), (1945, 76756), (2476, 60295), (3095, 48236), (3890, 38378), (6190, 24118), (7780, 19189), (12059, 12380)]