2838980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 6504960

約数和(自身を除く): 3665980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 241, 310, 380, 482, 589, 620, 964, 1178, 1205, 2356, 2410, 2945, 4579, 4820, 5890, 7471, 9158, 11780, 14942, 18316, 22895, 29884, 37355, 45790, 74710, 91580, 141949, 149420, 283898, 567796, 709745, 1419490, 2838980]

約数ペア:

[(1, 2838980), (2, 1419490), (4, 709745), (5, 567796), (10, 283898), (19, 149420), (20, 141949), (31, 91580), (38, 74710), (62, 45790), (76, 37355), (95, 29884), (124, 22895), (155, 18316), (190, 14942), (241, 11780), (310, 9158), (380, 7471), (482, 5890), (589, 4820), (620, 4579), (964, 2945), (1178, 2410), (1205, 2356)]