99978700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2557}}^1$

素因数の和:2611

約数の個数: 72

約数和(自身を含む): 239797152

約数和(自身を除く): 139818452

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 25, 34, 46, 50, 68, 85, 92, 100, 115, 170, 230, 340, 391, 425, 460, 575, 782, 850, 1150, 1564, 1700, 1955, 2300, 2557, 3910, 5114, 7820, 9775, 10228, 12785, 19550, 25570, 39100, 43469, 51140, 58811, 63925, 86938, 117622, 127850, 173876, 217345, 235244, 255700, 294055, 434690, 588110, 869380, 999787, 1086725, 1176220, 1470275, 1999574, 2173450, 2940550, 3999148, 4346900, 4998935, 5881100, 9997870, 19995740, 24994675, 49989350, 99978700]

約数ペア:

[(1, 99978700), (2, 49989350), (4, 24994675), (5, 19995740), (10, 9997870), (17, 5881100), (20, 4998935), (23, 4346900), (25, 3999148), (34, 2940550), (46, 2173450), (50, 1999574), (68, 1470275), (85, 1176220), (92, 1086725), (100, 999787), (115, 869380), (170, 588110), (230, 434690), (340, 294055), (391, 255700), (425, 235244), (460, 217345), (575, 173876), (782, 127850), (850, 117622), (1150, 86938), (1564, 63925), (1700, 58811), (1955, 51140), (2300, 43469), (2557, 39100), (3910, 25570), (5114, 19550), (7820, 12785), (9775, 10228)]