657280940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{829}}^1\times {\mathrm{1367}}^1$

素因数の和:2234

約数の個数: 48

約数和(自身を含む): 1430654400

約数和(自身を除く): 773373460

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 829, 1367, 1658, 2734, 3316, 4145, 5468, 6835, 8290, 13670, 16580, 24041, 27340, 39643, 48082, 79286, 96164, 120205, 158572, 198215, 240410, 396430, 480820, 792860, 1133243, 2266486, 4532972, 5666215, 11332430, 22664860, 32864047, 65728094, 131456188, 164320235, 328640470, 657280940]

約数ペア:

[(1, 657280940), (2, 328640470), (4, 164320235), (5, 131456188), (10, 65728094), (20, 32864047), (29, 22664860), (58, 11332430), (116, 5666215), (145, 4532972), (290, 2266486), (580, 1133243), (829, 792860), (1367, 480820), (1658, 396430), (2734, 240410), (3316, 198215), (4145, 158572), (5468, 120205), (6835, 96164), (8290, 79286), (13670, 48082), (16580, 39643), (24041, 27340)]