248989840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{523}}^1\times {\mathrm{541}}^1$

素因数の和:1088

約数の個数: 80

約数和(自身を含む): 633905856

約数和(自身を除く): 384916016

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 523, 541, 880, 1046, 1082, 2092, 2164, 2615, 2705, 4184, 4328, 5230, 5410, 5753, 5951, 8368, 8656, 10460, 10820, 11506, 11902, 20920, 21640, 23012, 23804, 28765, 29755, 41840, 43280, 46024, 47608, 57530, 59510, 92048, 95216, 115060, 119020, 230120, 238040, 282943, 460240, 476080, 565886, 1131772, 1414715, 2263544, 2829430, 3112373, 4527088, 5658860, 6224746, 11317720, 12449492, 15561865, 22635440, 24898984, 31123730, 49797968, 62247460, 124494920, 248989840]

約数ペア:

[(1, 248989840), (2, 124494920), (4, 62247460), (5, 49797968), (8, 31123730), (10, 24898984), (11, 22635440), (16, 15561865), (20, 12449492), (22, 11317720), (40, 6224746), (44, 5658860), (55, 4527088), (80, 3112373), (88, 2829430), (110, 2263544), (176, 1414715), (220, 1131772), (440, 565886), (523, 476080), (541, 460240), (880, 282943), (1046, 238040), (1082, 230120), (2092, 119020), (2164, 115060), (2615, 95216), (2705, 92048), (4184, 59510), (4328, 57530), (5230, 47608), (5410, 46024), (5753, 43280), (5951, 41840), (8368, 29755), (8656, 28765), (10460, 23804), (10820, 23012), (11506, 21640), (11902, 20920)]