228989840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1283}}^1$

素因数の和:1416

約数の個数: 80

約数和(自身を含む): 561714048

約数和(自身を除く): 332724208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 97, 115, 184, 194, 230, 368, 388, 460, 485, 776, 920, 970, 1283, 1552, 1840, 1940, 2231, 2566, 3880, 4462, 5132, 6415, 7760, 8924, 10264, 11155, 12830, 17848, 20528, 22310, 25660, 29509, 35696, 44620, 51320, 59018, 89240, 102640, 118036, 124451, 147545, 178480, 236072, 248902, 295090, 472144, 497804, 590180, 622255, 995608, 1180360, 1244510, 1991216, 2360720, 2489020, 2862373, 4978040, 5724746, 9956080, 11449492, 14311865, 22898984, 28623730, 45797968, 57247460, 114494920, 228989840]

約数ペア:

[(1, 228989840), (2, 114494920), (4, 57247460), (5, 45797968), (8, 28623730), (10, 22898984), (16, 14311865), (20, 11449492), (23, 9956080), (40, 5724746), (46, 4978040), (80, 2862373), (92, 2489020), (97, 2360720), (115, 1991216), (184, 1244510), (194, 1180360), (230, 995608), (368, 622255), (388, 590180), (460, 497804), (485, 472144), (776, 295090), (920, 248902), (970, 236072), (1283, 178480), (1552, 147545), (1840, 124451), (1940, 118036), (2231, 102640), (2566, 89240), (3880, 59018), (4462, 51320), (5132, 44620), (6415, 35696), (7760, 29509), (8924, 25660), (10264, 22310), (11155, 20528), (12830, 17848)]