129207820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{233}}^2$

素因数の和:499

約数の個数: 72

約数和(自身を含む): 329755104

約数和(自身を除く): 200547284

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 233, 238, 340, 466, 476, 595, 932, 1165, 1190, 1631, 2330, 2380, 3262, 3961, 4660, 6524, 7922, 8155, 15844, 16310, 19805, 27727, 32620, 39610, 54289, 55454, 79220, 108578, 110908, 138635, 217156, 271445, 277270, 380023, 542890, 554540, 760046, 922913, 1085780, 1520092, 1845826, 1900115, 3691652, 3800230, 4614565, 6460391, 7600460, 9229130, 12920782, 18458260, 25841564, 32301955, 64603910, 129207820]

約数ペア:

[(1, 129207820), (2, 64603910), (4, 32301955), (5, 25841564), (7, 18458260), (10, 12920782), (14, 9229130), (17, 7600460), (20, 6460391), (28, 4614565), (34, 3800230), (35, 3691652), (68, 1900115), (70, 1845826), (85, 1520092), (119, 1085780), (140, 922913), (170, 760046), (233, 554540), (238, 542890), (340, 380023), (466, 277270), (476, 271445), (595, 217156), (932, 138635), (1165, 110908), (1190, 108578), (1631, 79220), (2330, 55454), (2380, 54289), (3262, 39610), (3961, 32620), (4660, 27727), (6524, 19805), (7922, 16310), (8155, 15844)]