138355880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2441}}^1$

素因数の和:2574

約数の個数: 64

約数和(自身を含む): 338461200

約数和(自身を除く): 200105320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 109, 130, 218, 260, 436, 520, 545, 872, 1090, 1417, 2180, 2441, 2834, 4360, 4882, 5668, 7085, 9764, 11336, 12205, 14170, 19528, 24410, 28340, 31733, 48820, 56680, 63466, 97640, 126932, 158665, 253864, 266069, 317330, 532138, 634660, 1064276, 1269320, 1330345, 2128552, 2660690, 3458897, 5321380, 6917794, 10642760, 13835588, 17294485, 27671176, 34588970, 69177940, 138355880]

約数ペア:

[(1, 138355880), (2, 69177940), (4, 34588970), (5, 27671176), (8, 17294485), (10, 13835588), (13, 10642760), (20, 6917794), (26, 5321380), (40, 3458897), (52, 2660690), (65, 2128552), (104, 1330345), (109, 1269320), (130, 1064276), (218, 634660), (260, 532138), (436, 317330), (520, 266069), (545, 253864), (872, 158665), (1090, 126932), (1417, 97640), (2180, 63466), (2441, 56680), (2834, 48820), (4360, 31733), (4882, 28340), (5668, 24410), (7085, 19528), (9764, 14170), (11336, 12205)]