91981220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{2789}}^1$

素因数の和:2912

約数の個数: 48

約数和(自身を含む): 206705520

約数和(自身を除く): 114724300

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 97, 170, 194, 340, 388, 485, 970, 1649, 1940, 2789, 3298, 5578, 6596, 8245, 11156, 13945, 16490, 27890, 32980, 47413, 55780, 94826, 189652, 237065, 270533, 474130, 541066, 948260, 1082132, 1352665, 2705330, 4599061, 5410660, 9198122, 18396244, 22995305, 45990610, 91981220]

約数ペア:

[(1, 91981220), (2, 45990610), (4, 22995305), (5, 18396244), (10, 9198122), (17, 5410660), (20, 4599061), (34, 2705330), (68, 1352665), (85, 1082132), (97, 948260), (170, 541066), (194, 474130), (340, 270533), (388, 237065), (485, 189652), (970, 94826), (1649, 55780), (1940, 47413), (2789, 32980), (3298, 27890), (5578, 16490), (6596, 13945), (8245, 11156)]