88288990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 176359680

約数和(自身を除く): 88070690

約数列:

[1, 2, 5, 10, 17, 34, 41, 53, 82, 85, 106, 170, 205, 239, 265, 410, 478, 530, 697, 901, 1195, 1394, 1802, 2173, 2390, 3485, 4063, 4346, 4505, 6970, 8126, 9010, 9799, 10865, 12667, 19598, 20315, 21730, 25334, 36941, 40630, 48995, 63335, 73882, 97990, 126670, 166583, 184705, 215339, 333166, 369410, 430678, 519347, 832915, 1038694, 1076695, 1665830, 2153390, 2596735, 5193470, 8828899, 17657798, 44144495, 88288990]

約数ペア:

[(1, 88288990), (2, 44144495), (5, 17657798), (10, 8828899), (17, 5193470), (34, 2596735), (41, 2153390), (53, 1665830), (82, 1076695), (85, 1038694), (106, 832915), (170, 519347), (205, 430678), (239, 369410), (265, 333166), (410, 215339), (478, 184705), (530, 166583), (697, 126670), (901, 97990), (1195, 73882), (1394, 63335), (1802, 48995), (2173, 40630), (2390, 36941), (3485, 25334), (4063, 21730), (4346, 20315), (4505, 19598), (6970, 12667), (8126, 10865), (9010, 9799)]