210981350

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1723}}^1$

素因数の和:1845

約数の個数: 48

約数和(自身を含む): 410449920

約数和(自身を除く): 199468570

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 79, 155, 158, 310, 395, 775, 790, 1550, 1723, 1975, 2449, 3446, 3950, 4898, 8615, 12245, 17230, 24490, 43075, 53413, 61225, 86150, 106826, 122450, 136117, 267065, 272234, 534130, 680585, 1335325, 1361170, 2670650, 3402925, 4219627, 6805850, 8439254, 21098135, 42196270, 105490675, 210981350]

約数ペア:

[(1, 210981350), (2, 105490675), (5, 42196270), (10, 21098135), (25, 8439254), (31, 6805850), (50, 4219627), (62, 3402925), (79, 2670650), (155, 1361170), (158, 1335325), (310, 680585), (395, 534130), (775, 272234), (790, 267065), (1550, 136117), (1723, 122450), (1975, 106826), (2449, 86150), (3446, 61225), (3950, 53413), (4898, 43075), (8615, 24490), (12245, 17230)]