561234700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{1223}}^1$

素因数の和:1603

約数の個数: 72

約数和(自身を含む): 1316353248

約数和(自身を除く): 755118548

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 353, 650, 706, 1223, 1300, 1412, 1765, 2446, 3530, 4589, 4892, 6115, 7060, 8825, 9178, 12230, 15899, 17650, 18356, 22945, 24460, 30575, 31798, 35300, 45890, 61150, 63596, 79495, 91780, 114725, 122300, 158990, 229450, 317980, 397475, 431719, 458900, 794950, 863438, 1589900, 1726876, 2158595, 4317190, 5612347, 8634380, 10792975, 11224694, 21585950, 22449388, 28061735, 43171900, 56123470, 112246940, 140308675, 280617350, 561234700]

約数ペア:

[(1, 561234700), (2, 280617350), (4, 140308675), (5, 112246940), (10, 56123470), (13, 43171900), (20, 28061735), (25, 22449388), (26, 21585950), (50, 11224694), (52, 10792975), (65, 8634380), (100, 5612347), (130, 4317190), (260, 2158595), (325, 1726876), (353, 1589900), (650, 863438), (706, 794950), (1223, 458900), (1300, 431719), (1412, 397475), (1765, 317980), (2446, 229450), (3530, 158990), (4589, 122300), (4892, 114725), (6115, 91780), (7060, 79495), (8825, 63596), (9178, 61150), (12230, 45890), (15899, 35300), (17650, 31798), (18356, 30575), (22945, 24460)]