90025220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 202159104

約数和(自身を除く): 112133884

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 67, 92, 115, 127, 134, 230, 254, 268, 335, 460, 508, 529, 635, 670, 1058, 1270, 1340, 1541, 2116, 2540, 2645, 2921, 3082, 5290, 5842, 6164, 7705, 8509, 10580, 11684, 14605, 15410, 17018, 29210, 30820, 34036, 35443, 42545, 58420, 67183, 70886, 85090, 134366, 141772, 170180, 177215, 195707, 268732, 335915, 354430, 391414, 671830, 708860, 782828, 978535, 1343660, 1957070, 3914140, 4501261, 9002522, 18005044, 22506305, 45012610, 90025220]

約数ペア:

[(1, 90025220), (2, 45012610), (4, 22506305), (5, 18005044), (10, 9002522), (20, 4501261), (23, 3914140), (46, 1957070), (67, 1343660), (92, 978535), (115, 782828), (127, 708860), (134, 671830), (230, 391414), (254, 354430), (268, 335915), (335, 268732), (460, 195707), (508, 177215), (529, 170180), (635, 141772), (670, 134366), (1058, 85090), (1270, 70886), (1340, 67183), (1541, 58420), (2116, 42545), (2540, 35443), (2645, 34036), (2921, 30820), (3082, 29210), (5290, 17018), (5842, 15410), (6164, 14605), (7705, 11684), (8509, 10580)]