122969900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1061}}^1$

素因数の和:1155

約数の個数: 72

約数和(自身を含む): 285762960

約数和(自身を除く): 162793060

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 61, 76, 95, 100, 122, 190, 244, 305, 380, 475, 610, 950, 1061, 1159, 1220, 1525, 1900, 2122, 2318, 3050, 4244, 4636, 5305, 5795, 6100, 10610, 11590, 20159, 21220, 23180, 26525, 28975, 40318, 53050, 57950, 64721, 80636, 100795, 106100, 115900, 129442, 201590, 258884, 323605, 403180, 503975, 647210, 1007950, 1229699, 1294420, 1618025, 2015900, 2459398, 3236050, 4918796, 6148495, 6472100, 12296990, 24593980, 30742475, 61484950, 122969900]

約数ペア:

[(1, 122969900), (2, 61484950), (4, 30742475), (5, 24593980), (10, 12296990), (19, 6472100), (20, 6148495), (25, 4918796), (38, 3236050), (50, 2459398), (61, 2015900), (76, 1618025), (95, 1294420), (100, 1229699), (122, 1007950), (190, 647210), (244, 503975), (305, 403180), (380, 323605), (475, 258884), (610, 201590), (950, 129442), (1061, 115900), (1159, 106100), (1220, 100795), (1525, 80636), (1900, 64721), (2122, 57950), (2318, 53050), (3050, 40318), (4244, 28975), (4636, 26525), (5305, 23180), (5795, 21220), (6100, 20159), (10610, 11590)]