218850390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2377}}^1$

素因数の和:2435

約数の個数: 128

約数和(自身を含む): 657469440

約数和(自身を除く): 438619050

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 31, 33, 45, 54, 55, 62, 66, 90, 93, 99, 110, 135, 155, 165, 186, 198, 270, 279, 297, 310, 330, 341, 465, 495, 558, 594, 682, 837, 930, 990, 1023, 1395, 1485, 1674, 1705, 2046, 2377, 2790, 2970, 3069, 3410, 4185, 4754, 5115, 6138, 7131, 8370, 9207, 10230, 11885, 14262, 15345, 18414, 21393, 23770, 26147, 30690, 35655, 42786, 46035, 52294, 64179, 71310, 73687, 78441, 92070, 106965, 128358, 130735, 147374, 156882, 213930, 221061, 235323, 261470, 320895, 368435, 392205, 442122, 470646, 641790, 663183, 705969, 736870, 784410, 810557, 1105305, 1176615, 1326366, 1411938, 1621114, 1989549, 2210610, 2353230, 2431671, 3315915, 3529845, 3979098, 4052785, 4863342, 6631830, 7059690, 7295013, 8105570, 9947745, 12158355, 14590026, 19895490, 21885039, 24316710, 36475065, 43770078, 72950130, 109425195, 218850390]

約数ペア:

[(1, 218850390), (2, 109425195), (3, 72950130), (5, 43770078), (6, 36475065), (9, 24316710), (10, 21885039), (11, 19895490), (15, 14590026), (18, 12158355), (22, 9947745), (27, 8105570), (30, 7295013), (31, 7059690), (33, 6631830), (45, 4863342), (54, 4052785), (55, 3979098), (62, 3529845), (66, 3315915), (90, 2431671), (93, 2353230), (99, 2210610), (110, 1989549), (135, 1621114), (155, 1411938), (165, 1326366), (186, 1176615), (198, 1105305), (270, 810557), (279, 784410), (297, 736870), (310, 705969), (330, 663183), (341, 641790), (465, 470646), (495, 442122), (558, 392205), (594, 368435), (682, 320895), (837, 261470), (930, 235323), (990, 221061), (1023, 213930), (1395, 156882), (1485, 147374), (1674, 130735), (1705, 128358), (2046, 106965), (2377, 92070), (2790, 78441), (2970, 73687), (3069, 71310), (3410, 64179), (4185, 52294), (4754, 46035), (5115, 42786), (6138, 35655), (7131, 30690), (8370, 26147), (9207, 23770), (10230, 21393), (11885, 18414), (14262, 15345)]