278629850

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{683}}^1$

素因数の和:935

約数の個数: 48

約数和(自身を含む): 534340800

約数和(自身を除く): 255710950

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 199, 205, 398, 410, 683, 995, 1025, 1366, 1990, 2050, 3415, 4975, 6830, 8159, 9950, 16318, 17075, 28003, 34150, 40795, 56006, 81590, 135917, 140015, 203975, 271834, 280030, 407950, 679585, 700075, 1359170, 1400150, 3397925, 5572597, 6795850, 11145194, 27862985, 55725970, 139314925, 278629850]

約数ペア:

[(1, 278629850), (2, 139314925), (5, 55725970), (10, 27862985), (25, 11145194), (41, 6795850), (50, 5572597), (82, 3397925), (199, 1400150), (205, 1359170), (398, 700075), (410, 679585), (683, 407950), (995, 280030), (1025, 271834), (1366, 203975), (1990, 140015), (2050, 135917), (3415, 81590), (4975, 56006), (6830, 40795), (8159, 34150), (9950, 28003), (16318, 17075)]