81052100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1471}}^1$

素因数の和:1533

約数の個数: 72

約数和(自身を含む): 191654400

約数和(自身を除く): 110602300

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 29, 38, 50, 58, 76, 95, 100, 116, 145, 190, 290, 380, 475, 551, 580, 725, 950, 1102, 1450, 1471, 1900, 2204, 2755, 2900, 2942, 5510, 5884, 7355, 11020, 13775, 14710, 27550, 27949, 29420, 36775, 42659, 55100, 55898, 73550, 85318, 111796, 139745, 147100, 170636, 213295, 279490, 426590, 558980, 698725, 810521, 853180, 1066475, 1397450, 1621042, 2132950, 2794900, 3242084, 4052605, 4265900, 8105210, 16210420, 20263025, 40526050, 81052100]

約数ペア:

[(1, 81052100), (2, 40526050), (4, 20263025), (5, 16210420), (10, 8105210), (19, 4265900), (20, 4052605), (25, 3242084), (29, 2794900), (38, 2132950), (50, 1621042), (58, 1397450), (76, 1066475), (95, 853180), (100, 810521), (116, 698725), (145, 558980), (190, 426590), (290, 279490), (380, 213295), (475, 170636), (551, 147100), (580, 139745), (725, 111796), (950, 85318), (1102, 73550), (1450, 55898), (1471, 55100), (1900, 42659), (2204, 36775), (2755, 29420), (2900, 27949), (2942, 27550), (5510, 14710), (5884, 13775), (7355, 11020)]