19892100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1087}}^1$

素因数の和:1165

約数の個数: 72

約数和(自身を含む): 58551808

約数和(自身を除く): 38659708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 61, 75, 100, 122, 150, 183, 244, 300, 305, 366, 610, 732, 915, 1087, 1220, 1525, 1830, 2174, 3050, 3261, 3660, 4348, 4575, 5435, 6100, 6522, 9150, 10870, 13044, 16305, 18300, 21740, 27175, 32610, 54350, 65220, 66307, 81525, 108700, 132614, 163050, 198921, 265228, 326100, 331535, 397842, 663070, 795684, 994605, 1326140, 1657675, 1989210, 3315350, 3978420, 4973025, 6630700, 9946050, 19892100]

約数ペア:

[(1, 19892100), (2, 9946050), (3, 6630700), (4, 4973025), (5, 3978420), (6, 3315350), (10, 1989210), (12, 1657675), (15, 1326140), (20, 994605), (25, 795684), (30, 663070), (50, 397842), (60, 331535), (61, 326100), (75, 265228), (100, 198921), (122, 163050), (150, 132614), (183, 108700), (244, 81525), (300, 66307), (305, 65220), (366, 54350), (610, 32610), (732, 27175), (915, 21740), (1087, 18300), (1220, 16305), (1525, 13044), (1830, 10870), (2174, 9150), (3050, 6522), (3261, 6100), (3660, 5435), (4348, 4575)]