19585700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 46262664

約数和(自身を除く): 26676964

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 41, 50, 68, 82, 85, 100, 164, 170, 205, 281, 340, 410, 425, 562, 697, 820, 850, 1025, 1124, 1394, 1405, 1700, 2050, 2788, 2810, 3485, 4100, 4777, 5620, 6970, 7025, 9554, 11521, 13940, 14050, 17425, 19108, 23042, 23885, 28100, 34850, 46084, 47770, 57605, 69700, 95540, 115210, 119425, 195857, 230420, 238850, 288025, 391714, 477700, 576050, 783428, 979285, 1152100, 1958570, 3917140, 4896425, 9792850, 19585700]

約数ペア:

[(1, 19585700), (2, 9792850), (4, 4896425), (5, 3917140), (10, 1958570), (17, 1152100), (20, 979285), (25, 783428), (34, 576050), (41, 477700), (50, 391714), (68, 288025), (82, 238850), (85, 230420), (100, 195857), (164, 119425), (170, 115210), (205, 95540), (281, 69700), (340, 57605), (410, 47770), (425, 46084), (562, 34850), (697, 28100), (820, 23885), (850, 23042), (1025, 19108), (1124, 17425), (1394, 14050), (1405, 13940), (1700, 11521), (2050, 9554), (2788, 7025), (2810, 6970), (3485, 5620), (4100, 4777)]