181067900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4493}}^1$

素因数の和:4551

約数の個数: 72

約数和(自身を含む): 436888704

約数和(自身を除く): 255820804

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 325, 403, 620, 650, 775, 806, 1300, 1550, 1612, 2015, 3100, 4030, 4493, 8060, 8986, 10075, 17972, 20150, 22465, 40300, 44930, 58409, 89860, 112325, 116818, 139283, 224650, 233636, 278566, 292045, 449300, 557132, 584090, 696415, 1168180, 1392830, 1460225, 1810679, 2785660, 2920450, 3482075, 3621358, 5840900, 6964150, 7242716, 9053395, 13928300, 18106790, 36213580, 45266975, 90533950, 181067900]

約数ペア:

[(1, 181067900), (2, 90533950), (4, 45266975), (5, 36213580), (10, 18106790), (13, 13928300), (20, 9053395), (25, 7242716), (26, 6964150), (31, 5840900), (50, 3621358), (52, 3482075), (62, 2920450), (65, 2785660), (100, 1810679), (124, 1460225), (130, 1392830), (155, 1168180), (260, 696415), (310, 584090), (325, 557132), (403, 449300), (620, 292045), (650, 278566), (775, 233636), (806, 224650), (1300, 139283), (1550, 116818), (1612, 112325), (2015, 89860), (3100, 58409), (4030, 44930), (4493, 40300), (8060, 22465), (8986, 20150), (10075, 17972)]