99769160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1319}}^1$

素因数の和:1422

約数の個数: 64

約数和(自身を含む): 235699200

約数和(自身を除く): 135930040

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 488, 610, 620, 1220, 1240, 1319, 1891, 2440, 2638, 3782, 5276, 6595, 7564, 9455, 10552, 13190, 15128, 18910, 26380, 37820, 40889, 52760, 75640, 80459, 81778, 160918, 163556, 204445, 321836, 327112, 402295, 408890, 643672, 804590, 817780, 1609180, 1635560, 2494229, 3218360, 4988458, 9976916, 12471145, 19953832, 24942290, 49884580, 99769160]

約数ペア:

[(1, 99769160), (2, 49884580), (4, 24942290), (5, 19953832), (8, 12471145), (10, 9976916), (20, 4988458), (31, 3218360), (40, 2494229), (61, 1635560), (62, 1609180), (122, 817780), (124, 804590), (155, 643672), (244, 408890), (248, 402295), (305, 327112), (310, 321836), (488, 204445), (610, 163556), (620, 160918), (1220, 81778), (1240, 80459), (1319, 75640), (1891, 52760), (2440, 40889), (2638, 37820), (3782, 26380), (5276, 18910), (6595, 15128), (7564, 13190), (9455, 10552)]