209717910

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{11257}}^1$

素因数の和:11299

約数の個数: 80

約数和(自身を含む): 588478176

約数和(自身を除く): 378760266

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 81, 90, 115, 135, 138, 162, 207, 230, 270, 345, 405, 414, 621, 690, 810, 1035, 1242, 1863, 2070, 3105, 3726, 6210, 9315, 11257, 18630, 22514, 33771, 56285, 67542, 101313, 112570, 168855, 202626, 258911, 303939, 337710, 506565, 517822, 607878, 776733, 911817, 1013130, 1294555, 1519695, 1553466, 1823634, 2330199, 2589110, 3039390, 3883665, 4559085, 4660398, 6990597, 7767330, 9118170, 11650995, 13981194, 20971791, 23301990, 34952985, 41943582, 69905970, 104858955, 209717910]

約数ペア:

[(1, 209717910), (2, 104858955), (3, 69905970), (5, 41943582), (6, 34952985), (9, 23301990), (10, 20971791), (15, 13981194), (18, 11650995), (23, 9118170), (27, 7767330), (30, 6990597), (45, 4660398), (46, 4559085), (54, 3883665), (69, 3039390), (81, 2589110), (90, 2330199), (115, 1823634), (135, 1553466), (138, 1519695), (162, 1294555), (207, 1013130), (230, 911817), (270, 776733), (345, 607878), (405, 517822), (414, 506565), (621, 337710), (690, 303939), (810, 258911), (1035, 202626), (1242, 168855), (1863, 112570), (2070, 101313), (3105, 67542), (3726, 56285), (6210, 33771), (9315, 22514), (11257, 18630)]