17700980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1319}}^1$

素因数の和:1400

約数の個数: 48

約数和(自身を含む): 41247360

約数和(自身を除く): 23546380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1319, 1342, 2638, 2684, 3355, 5276, 6595, 6710, 13190, 13420, 14509, 26380, 29018, 58036, 72545, 80459, 145090, 160918, 290180, 321836, 402295, 804590, 885049, 1609180, 1770098, 3540196, 4425245, 8850490, 17700980]

約数ペア:

[(1, 17700980), (2, 8850490), (4, 4425245), (5, 3540196), (10, 1770098), (11, 1609180), (20, 885049), (22, 804590), (44, 402295), (55, 321836), (61, 290180), (110, 160918), (122, 145090), (220, 80459), (244, 72545), (305, 58036), (610, 29018), (671, 26380), (1220, 14509), (1319, 13420), (1342, 13190), (2638, 6710), (2684, 6595), (3355, 5276)]