402380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:110

約数の個数: 48

約数和(自身を含む): 967680

約数和(自身を除く): 565300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 59, 62, 110, 118, 124, 155, 220, 236, 295, 310, 341, 590, 620, 649, 682, 1180, 1298, 1364, 1705, 1829, 2596, 3245, 3410, 3658, 6490, 6820, 7316, 9145, 12980, 18290, 20119, 36580, 40238, 80476, 100595, 201190, 402380]

約数ペア:

[(1, 402380), (2, 201190), (4, 100595), (5, 80476), (10, 40238), (11, 36580), (20, 20119), (22, 18290), (31, 12980), (44, 9145), (55, 7316), (59, 6820), (62, 6490), (110, 3658), (118, 3410), (124, 3245), (155, 2596), (220, 1829), (236, 1705), (295, 1364), (310, 1298), (341, 1180), (590, 682), (620, 649)]