126120100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1619}}^1$

素因数の和:1693

約数の個数: 72

約数和(自身を含む): 295293600

約数和(自身を除く): 169173500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 41, 50, 76, 82, 95, 100, 164, 190, 205, 380, 410, 475, 779, 820, 950, 1025, 1558, 1619, 1900, 2050, 3116, 3238, 3895, 4100, 6476, 7790, 8095, 15580, 16190, 19475, 30761, 32380, 38950, 40475, 61522, 66379, 77900, 80950, 123044, 132758, 153805, 161900, 265516, 307610, 331895, 615220, 663790, 769025, 1261201, 1327580, 1538050, 1659475, 2522402, 3076100, 3318950, 5044804, 6306005, 6637900, 12612010, 25224020, 31530025, 63060050, 126120100]

約数ペア:

[(1, 126120100), (2, 63060050), (4, 31530025), (5, 25224020), (10, 12612010), (19, 6637900), (20, 6306005), (25, 5044804), (38, 3318950), (41, 3076100), (50, 2522402), (76, 1659475), (82, 1538050), (95, 1327580), (100, 1261201), (164, 769025), (190, 663790), (205, 615220), (380, 331895), (410, 307610), (475, 265516), (779, 161900), (820, 153805), (950, 132758), (1025, 123044), (1558, 80950), (1619, 77900), (1900, 66379), (2050, 61522), (3116, 40475), (3238, 38950), (3895, 32380), (4100, 30761), (6476, 19475), (7790, 16190), (8095, 15580)]