180553575700

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1039}}^1\times {\mathrm{21997}}^1$

素因数の和:23129

約数の個数: 72

約数和(自身を含む): 397160691200

約数和(自身を除く): 216607115500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1039, 1580, 1975, 2078, 3950, 4156, 5195, 7900, 10390, 20780, 21997, 25975, 43994, 51950, 82081, 87988, 103900, 109985, 164162, 219970, 328324, 410405, 439940, 549925, 820810, 1099850, 1641620, 1737763, 2052025, 2199700, 3475526, 4104050, 6951052, 8208100, 8688815, 17377630, 22854883, 34755260, 43444075, 45709766, 86888150, 91419532, 114274415, 173776300, 228548830, 457097660, 571372075, 1142744150, 1805535757, 2285488300, 3611071514, 7222143028, 9027678785, 18055357570, 36110715140, 45138393925, 90276787850, 180553575700]

約数ペア:

[(1, 180553575700), (2, 90276787850), (4, 45138393925), (5, 36110715140), (10, 18055357570), (20, 9027678785), (25, 7222143028), (50, 3611071514), (79, 2285488300), (100, 1805535757), (158, 1142744150), (316, 571372075), (395, 457097660), (790, 228548830), (1039, 173776300), (1580, 114274415), (1975, 91419532), (2078, 86888150), (3950, 45709766), (4156, 43444075), (5195, 34755260), (7900, 22854883), (10390, 17377630), (20780, 8688815), (21997, 8208100), (25975, 6951052), (43994, 4104050), (51950, 3475526), (82081, 2199700), (87988, 2052025), (103900, 1737763), (109985, 1641620), (164162, 1099850), (219970, 820810), (328324, 549925), (410405, 439940)]