64768300

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1229}}^1$

素因数の和:1291

約数の個数: 72

約数和(自身を含む): 153740160

約数和(自身を除く): 88971860

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 31, 34, 50, 62, 68, 85, 100, 124, 155, 170, 310, 340, 425, 527, 620, 775, 850, 1054, 1229, 1550, 1700, 2108, 2458, 2635, 3100, 4916, 5270, 6145, 10540, 12290, 13175, 20893, 24580, 26350, 30725, 38099, 41786, 52700, 61450, 76198, 83572, 104465, 122900, 152396, 190495, 208930, 380990, 417860, 522325, 647683, 761980, 952475, 1044650, 1295366, 1904950, 2089300, 2590732, 3238415, 3809900, 6476830, 12953660, 16192075, 32384150, 64768300]

約数ペア:

[(1, 64768300), (2, 32384150), (4, 16192075), (5, 12953660), (10, 6476830), (17, 3809900), (20, 3238415), (25, 2590732), (31, 2089300), (34, 1904950), (50, 1295366), (62, 1044650), (68, 952475), (85, 761980), (100, 647683), (124, 522325), (155, 417860), (170, 380990), (310, 208930), (340, 190495), (425, 152396), (527, 122900), (620, 104465), (775, 83572), (850, 76198), (1054, 61450), (1229, 52700), (1550, 41786), (1700, 38099), (2108, 30725), (2458, 26350), (2635, 24580), (3100, 20893), (4916, 13175), (5270, 12290), (6145, 10540)]