251122430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{5351}}^1$

素因数の和:5409

約数の個数: 48

約数和(自身を含む): 513856224

約数和(自身を除く): 262733794

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 361, 494, 722, 1235, 1805, 2470, 3610, 4693, 5351, 9386, 10702, 23465, 26755, 46930, 53510, 69563, 101669, 139126, 203338, 347815, 508345, 695630, 1016690, 1321697, 1931711, 2643394, 3863422, 6608485, 9658555, 13216970, 19317110, 25112243, 50224486, 125561215, 251122430]

約数ペア:

[(1, 251122430), (2, 125561215), (5, 50224486), (10, 25112243), (13, 19317110), (19, 13216970), (26, 9658555), (38, 6608485), (65, 3863422), (95, 2643394), (130, 1931711), (190, 1321697), (247, 1016690), (361, 695630), (494, 508345), (722, 347815), (1235, 203338), (1805, 139126), (2470, 101669), (3610, 69563), (4693, 53510), (5351, 46930), (9386, 26755), (10702, 23465)]