199446560

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:634

約数の個数: 96

約数和(自身を含む): 493516800

約数和(自身を除く): 294070240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 79, 80, 124, 155, 158, 160, 248, 310, 316, 395, 496, 509, 620, 632, 790, 992, 1018, 1240, 1264, 1580, 2036, 2449, 2480, 2528, 2545, 3160, 4072, 4898, 4960, 5090, 6320, 8144, 9796, 10180, 12245, 12640, 15779, 16288, 19592, 20360, 24490, 31558, 39184, 40211, 40720, 48980, 63116, 78368, 78895, 80422, 81440, 97960, 126232, 157790, 160844, 195920, 201055, 252464, 315580, 321688, 391840, 402110, 504928, 631160, 643376, 804220, 1246541, 1262320, 1286752, 1608440, 2493082, 2524640, 3216880, 4986164, 6232705, 6433760, 9972328, 12465410, 19944656, 24930820, 39889312, 49861640, 99723280, 199446560]

約数ペア:

[(1, 199446560), (2, 99723280), (4, 49861640), (5, 39889312), (8, 24930820), (10, 19944656), (16, 12465410), (20, 9972328), (31, 6433760), (32, 6232705), (40, 4986164), (62, 3216880), (79, 2524640), (80, 2493082), (124, 1608440), (155, 1286752), (158, 1262320), (160, 1246541), (248, 804220), (310, 643376), (316, 631160), (395, 504928), (496, 402110), (509, 391840), (620, 321688), (632, 315580), (790, 252464), (992, 201055), (1018, 195920), (1240, 160844), (1264, 157790), (1580, 126232), (2036, 97960), (2449, 81440), (2480, 80422), (2528, 78895), (2545, 78368), (3160, 63116), (4072, 48980), (4898, 40720), (4960, 40211), (5090, 39184), (6320, 31558), (8144, 24490), (9796, 20360), (10180, 19592), (12245, 16288), (12640, 15779)]