2017639660

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{23293}}^1$

素因数の和:23434

約数の個数: 48

約数和(自身を含む): 4367345472

約数和(自身を除く): 2349705812

約数列:

[1, 2, 4, 5, 10, 20, 61, 71, 122, 142, 244, 284, 305, 355, 610, 710, 1220, 1420, 4331, 8662, 17324, 21655, 23293, 43310, 46586, 86620, 93172, 116465, 232930, 465860, 1420873, 1653803, 2841746, 3307606, 5683492, 6615212, 7104365, 8269015, 14208730, 16538030, 28417460, 33076060, 100881983, 201763966, 403527932, 504409915, 1008819830, 2017639660]

約数ペア:

[(1, 2017639660), (2, 1008819830), (4, 504409915), (5, 403527932), (10, 201763966), (20, 100881983), (61, 33076060), (71, 28417460), (122, 16538030), (142, 14208730), (244, 8269015), (284, 7104365), (305, 6615212), (355, 5683492), (610, 3307606), (710, 2841746), (1220, 1653803), (1420, 1420873), (4331, 465860), (8662, 232930), (17324, 116465), (21655, 93172), (23293, 86620), (43310, 46586)]