868110980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{127289}}^1$

素因数の和:127340

約数の個数: 48

約数和(自身を含む): 2052933120

約数和(自身を除く): 1184822140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 127289, 254578, 509156, 636445, 1272890, 1400179, 2545780, 2800358, 3945959, 5600716, 7000895, 7891918, 14001790, 15783836, 19729795, 28003580, 39459590, 43405549, 78919180, 86811098, 173622196, 217027745, 434055490, 868110980]

約数ペア:

[(1, 868110980), (2, 434055490), (4, 217027745), (5, 173622196), (10, 86811098), (11, 78919180), (20, 43405549), (22, 39459590), (31, 28003580), (44, 19729795), (55, 15783836), (62, 14001790), (110, 7891918), (124, 7000895), (155, 5600716), (220, 3945959), (310, 2800358), (341, 2545780), (620, 1400179), (682, 1272890), (1364, 636445), (1705, 509156), (3410, 254578), (6820, 127289)]