378698980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{28219}}^1$

素因数の和:28300

約数の個数: 48

約数和(自身を含む): 881818560

約数和(自身を除く): 503119580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2684, 3355, 6710, 13420, 28219, 56438, 112876, 141095, 282190, 310409, 564380, 620818, 1241636, 1552045, 1721359, 3104090, 3442718, 6208180, 6885436, 8606795, 17213590, 18934949, 34427180, 37869898, 75739796, 94674745, 189349490, 378698980]

約数ペア:

[(1, 378698980), (2, 189349490), (4, 94674745), (5, 75739796), (10, 37869898), (11, 34427180), (20, 18934949), (22, 17213590), (44, 8606795), (55, 6885436), (61, 6208180), (110, 3442718), (122, 3104090), (220, 1721359), (244, 1552045), (305, 1241636), (610, 620818), (671, 564380), (1220, 310409), (1342, 282190), (2684, 141095), (3355, 112876), (6710, 56438), (13420, 28219)]