28477220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1997}}^1$

素因数の和:2060

約数の個数: 48

約数和(自身を含む): 64447488

約数和(自身を除く): 35970268

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 620, 713, 1426, 1997, 2852, 3565, 3994, 7130, 7988, 9985, 14260, 19970, 39940, 45931, 61907, 91862, 123814, 183724, 229655, 247628, 309535, 459310, 619070, 918620, 1238140, 1423861, 2847722, 5695444, 7119305, 14238610, 28477220]

約数ペア:

[(1, 28477220), (2, 14238610), (4, 7119305), (5, 5695444), (10, 2847722), (20, 1423861), (23, 1238140), (31, 918620), (46, 619070), (62, 459310), (92, 309535), (115, 247628), (124, 229655), (155, 183724), (230, 123814), (310, 91862), (460, 61907), (620, 45931), (713, 39940), (1426, 19970), (1997, 14260), (2852, 9985), (3565, 7988), (3994, 7130)]