287570725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:167

約数の個数: 96

約数和(自身を含む): 443971584

約数和(自身を除く): 156400859

約数列:

[1, 5, 13, 17, 23, 25, 31, 65, 73, 85, 115, 155, 221, 299, 325, 365, 391, 403, 425, 527, 575, 713, 775, 949, 1105, 1241, 1495, 1679, 1825, 1955, 2015, 2263, 2635, 3565, 4745, 5083, 5525, 6205, 6851, 7475, 8395, 9269, 9775, 10075, 11315, 12121, 13175, 16133, 17825, 21827, 23725, 25415, 28543, 29419, 31025, 34255, 38471, 41975, 46345, 52049, 56575, 60605, 80665, 109135, 127075, 142715, 147095, 157573, 171275, 192355, 231725, 260245, 303025, 371059, 403325, 500123, 545675, 676637, 713575, 735475, 787865, 884833, 961775, 1301225, 1855295, 2500615, 3383185, 3939325, 4424165, 9276475, 11502829, 12503075, 16915925, 22120825, 57514145, 287570725]

約数ペア:

[(1, 287570725), (5, 57514145), (13, 22120825), (17, 16915925), (23, 12503075), (25, 11502829), (31, 9276475), (65, 4424165), (73, 3939325), (85, 3383185), (115, 2500615), (155, 1855295), (221, 1301225), (299, 961775), (325, 884833), (365, 787865), (391, 735475), (403, 713575), (425, 676637), (527, 545675), (575, 500123), (713, 403325), (775, 371059), (949, 303025), (1105, 260245), (1241, 231725), (1495, 192355), (1679, 171275), (1825, 157573), (1955, 147095), (2015, 142715), (2263, 127075), (2635, 109135), (3565, 80665), (4745, 60605), (5083, 56575), (5525, 52049), (6205, 46345), (6851, 41975), (7475, 38471), (8395, 34255), (9269, 31025), (9775, 29419), (10075, 28543), (11315, 25415), (12121, 23725), (13175, 21827), (16133, 17825)]