15025900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 34997760

約数和(自身を除く): 19971860

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 47, 50, 92, 94, 100, 115, 139, 188, 230, 235, 278, 460, 470, 556, 575, 695, 940, 1081, 1150, 1175, 1390, 2162, 2300, 2350, 2780, 3197, 3475, 4324, 4700, 5405, 6394, 6533, 6950, 10810, 12788, 13066, 13900, 15985, 21620, 26132, 27025, 31970, 32665, 54050, 63940, 65330, 79925, 108100, 130660, 150259, 159850, 163325, 300518, 319700, 326650, 601036, 653300, 751295, 1502590, 3005180, 3756475, 7512950, 15025900]

約数ペア:

[(1, 15025900), (2, 7512950), (4, 3756475), (5, 3005180), (10, 1502590), (20, 751295), (23, 653300), (25, 601036), (46, 326650), (47, 319700), (50, 300518), (92, 163325), (94, 159850), (100, 150259), (115, 130660), (139, 108100), (188, 79925), (230, 65330), (235, 63940), (278, 54050), (460, 32665), (470, 31970), (556, 27025), (575, 26132), (695, 21620), (940, 15985), (1081, 13900), (1150, 13066), (1175, 12788), (1390, 10810), (2162, 6950), (2300, 6533), (2350, 6394), (2780, 5405), (3197, 4700), (3475, 4324)]