221351940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{983}}^1$

素因数の和:1143

約数の個数: 120

約数和(自身を含む): 700096320

約数和(自身を除く): 478744380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 139, 162, 180, 270, 278, 324, 405, 417, 540, 556, 695, 810, 834, 983, 1251, 1390, 1620, 1668, 1966, 2085, 2502, 2780, 2949, 3753, 3932, 4170, 4915, 5004, 5898, 6255, 7506, 8340, 8847, 9830, 11259, 11796, 12510, 14745, 15012, 17694, 18765, 19660, 22518, 25020, 26541, 29490, 35388, 37530, 44235, 45036, 53082, 56295, 58980, 75060, 79623, 88470, 106164, 112590, 132705, 136637, 159246, 176940, 225180, 265410, 273274, 318492, 398115, 409911, 530820, 546548, 683185, 796230, 819822, 1229733, 1366370, 1592460, 1639644, 2049555, 2459466, 2732740, 3689199, 4099110, 4918932, 6148665, 7378398, 8198220, 11067597, 12297330, 14756796, 18445995, 22135194, 24594660, 36891990, 44270388, 55337985, 73783980, 110675970, 221351940]

約数ペア:

[(1, 221351940), (2, 110675970), (3, 73783980), (4, 55337985), (5, 44270388), (6, 36891990), (9, 24594660), (10, 22135194), (12, 18445995), (15, 14756796), (18, 12297330), (20, 11067597), (27, 8198220), (30, 7378398), (36, 6148665), (45, 4918932), (54, 4099110), (60, 3689199), (81, 2732740), (90, 2459466), (108, 2049555), (135, 1639644), (139, 1592460), (162, 1366370), (180, 1229733), (270, 819822), (278, 796230), (324, 683185), (405, 546548), (417, 530820), (540, 409911), (556, 398115), (695, 318492), (810, 273274), (834, 265410), (983, 225180), (1251, 176940), (1390, 159246), (1620, 136637), (1668, 132705), (1966, 112590), (2085, 106164), (2502, 88470), (2780, 79623), (2949, 75060), (3753, 58980), (3932, 56295), (4170, 53082), (4915, 45036), (5004, 44235), (5898, 37530), (6255, 35388), (7506, 29490), (8340, 26541), (8847, 25020), (9830, 22518), (11259, 19660), (11796, 18765), (12510, 17694), (14745, 15012)]