42890490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^3\times {\mathrm{97}}^1$

素因数の和:161

約数の個数: 96

約数和(自身を含む): 119705040

約数和(自身を除く): 76814550

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 97, 102, 153, 170, 194, 255, 289, 291, 306, 485, 510, 578, 582, 765, 867, 873, 970, 1445, 1455, 1530, 1649, 1734, 1746, 2601, 2890, 2910, 3298, 4335, 4365, 4913, 4947, 5202, 8245, 8670, 8730, 9826, 9894, 13005, 14739, 14841, 16490, 24565, 24735, 26010, 28033, 29478, 29682, 44217, 49130, 49470, 56066, 73695, 74205, 84099, 88434, 140165, 147390, 148410, 168198, 221085, 252297, 280330, 420495, 442170, 476561, 504594, 840990, 953122, 1261485, 1429683, 2382805, 2522970, 2859366, 4289049, 4765610, 7148415, 8578098, 14296830, 21445245, 42890490]

約数ペア:

[(1, 42890490), (2, 21445245), (3, 14296830), (5, 8578098), (6, 7148415), (9, 4765610), (10, 4289049), (15, 2859366), (17, 2522970), (18, 2382805), (30, 1429683), (34, 1261485), (45, 953122), (51, 840990), (85, 504594), (90, 476561), (97, 442170), (102, 420495), (153, 280330), (170, 252297), (194, 221085), (255, 168198), (289, 148410), (291, 147390), (306, 140165), (485, 88434), (510, 84099), (578, 74205), (582, 73695), (765, 56066), (867, 49470), (873, 49130), (970, 44217), (1445, 29682), (1455, 29478), (1530, 28033), (1649, 26010), (1734, 24735), (1746, 24565), (2601, 16490), (2890, 14841), (2910, 14739), (3298, 13005), (4335, 9894), (4365, 9826), (4913, 8730), (4947, 8670), (5202, 8245)]