1790382580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1069}}^1\times {\mathrm{1709}}^1$

素因数の和:2801

約数の個数: 72

約数和(自身を含む): 4380301800

約数和(自身を除く): 2589919220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1069, 1709, 2138, 3418, 4276, 5345, 6836, 7483, 8545, 10690, 11963, 14966, 17090, 21380, 23926, 29932, 34180, 37415, 47852, 52381, 59815, 74830, 83741, 104762, 119630, 149660, 167482, 209524, 239260, 261905, 334964, 418705, 523810, 837410, 1047620, 1674820, 1826921, 3653842, 7307684, 9134605, 12788447, 18269210, 25576894, 36538420, 51153788, 63942235, 89519129, 127884470, 179038258, 255768940, 358076516, 447595645, 895191290, 1790382580]

約数ペア:

[(1, 1790382580), (2, 895191290), (4, 447595645), (5, 358076516), (7, 255768940), (10, 179038258), (14, 127884470), (20, 89519129), (28, 63942235), (35, 51153788), (49, 36538420), (70, 25576894), (98, 18269210), (140, 12788447), (196, 9134605), (245, 7307684), (490, 3653842), (980, 1826921), (1069, 1674820), (1709, 1047620), (2138, 837410), (3418, 523810), (4276, 418705), (5345, 334964), (6836, 261905), (7483, 239260), (8545, 209524), (10690, 167482), (11963, 149660), (14966, 119630), (17090, 104762), (21380, 83741), (23926, 74830), (29932, 59815), (34180, 52381), (37415, 47852)]