398745750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{40897}}^1$

素因数の和:40930

約数の個数: 64

約数和(自身を含む): 1071854784

約数和(自身を除く): 673109034

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 195, 250, 325, 375, 390, 650, 750, 975, 1625, 1950, 3250, 4875, 9750, 40897, 81794, 122691, 204485, 245382, 408970, 531661, 613455, 1022425, 1063322, 1226910, 1594983, 2044850, 2658305, 3067275, 3189966, 5112125, 5316610, 6134550, 7974915, 10224250, 13291525, 15336375, 15949830, 26583050, 30672750, 39874575, 66457625, 79749150, 132915250, 199372875, 398745750]

約数ペア:

[(1, 398745750), (2, 199372875), (3, 132915250), (5, 79749150), (6, 66457625), (10, 39874575), (13, 30672750), (15, 26583050), (25, 15949830), (26, 15336375), (30, 13291525), (39, 10224250), (50, 7974915), (65, 6134550), (75, 5316610), (78, 5112125), (125, 3189966), (130, 3067275), (150, 2658305), (195, 2044850), (250, 1594983), (325, 1226910), (375, 1063322), (390, 1022425), (650, 613455), (750, 531661), (975, 408970), (1625, 245382), (1950, 204485), (3250, 122691), (4875, 81794), (9750, 40897)]