19657100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 46747008

約数和(自身を除く): 27089908

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 31, 34, 50, 62, 68, 85, 100, 124, 155, 170, 310, 340, 373, 425, 527, 620, 746, 775, 850, 1054, 1492, 1550, 1700, 1865, 2108, 2635, 3100, 3730, 5270, 6341, 7460, 9325, 10540, 11563, 12682, 13175, 18650, 23126, 25364, 26350, 31705, 37300, 46252, 52700, 57815, 63410, 115630, 126820, 158525, 196571, 231260, 289075, 317050, 393142, 578150, 634100, 786284, 982855, 1156300, 1965710, 3931420, 4914275, 9828550, 19657100]

約数ペア:

[(1, 19657100), (2, 9828550), (4, 4914275), (5, 3931420), (10, 1965710), (17, 1156300), (20, 982855), (25, 786284), (31, 634100), (34, 578150), (50, 393142), (62, 317050), (68, 289075), (85, 231260), (100, 196571), (124, 158525), (155, 126820), (170, 115630), (310, 63410), (340, 57815), (373, 52700), (425, 46252), (527, 37300), (620, 31705), (746, 26350), (775, 25364), (850, 23126), (1054, 18650), (1492, 13175), (1550, 12682), (1700, 11563), (1865, 10540), (2108, 9325), (2635, 7460), (3100, 6341), (3730, 5270)]