219620430

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1381}}^1$

素因数の和:1447

約数の個数: 128

約数和(自身を含む): 636825600

約数和(自身を除く): 417205170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 31, 38, 45, 54, 57, 62, 90, 93, 95, 114, 135, 155, 171, 186, 190, 270, 279, 285, 310, 342, 465, 513, 558, 570, 589, 837, 855, 930, 1026, 1178, 1381, 1395, 1674, 1710, 1767, 2565, 2762, 2790, 2945, 3534, 4143, 4185, 5130, 5301, 5890, 6905, 8286, 8370, 8835, 10602, 12429, 13810, 15903, 17670, 20715, 24858, 26239, 26505, 31806, 37287, 41430, 42811, 52478, 53010, 62145, 74574, 78717, 79515, 85622, 124290, 128433, 131195, 157434, 159030, 186435, 214055, 236151, 256866, 262390, 372870, 385299, 393585, 428110, 472302, 642165, 708453, 770598, 787170, 813409, 1155897, 1180755, 1284330, 1416906, 1626818, 1926495, 2311794, 2361510, 2440227, 3542265, 3852990, 4067045, 4880454, 5779485, 7084530, 7320681, 8134090, 11558970, 12201135, 14641362, 21962043, 24402270, 36603405, 43924086, 73206810, 109810215, 219620430]

約数ペア:

[(1, 219620430), (2, 109810215), (3, 73206810), (5, 43924086), (6, 36603405), (9, 24402270), (10, 21962043), (15, 14641362), (18, 12201135), (19, 11558970), (27, 8134090), (30, 7320681), (31, 7084530), (38, 5779485), (45, 4880454), (54, 4067045), (57, 3852990), (62, 3542265), (90, 2440227), (93, 2361510), (95, 2311794), (114, 1926495), (135, 1626818), (155, 1416906), (171, 1284330), (186, 1180755), (190, 1155897), (270, 813409), (279, 787170), (285, 770598), (310, 708453), (342, 642165), (465, 472302), (513, 428110), (558, 393585), (570, 385299), (589, 372870), (837, 262390), (855, 256866), (930, 236151), (1026, 214055), (1178, 186435), (1381, 159030), (1395, 157434), (1674, 131195), (1710, 128433), (1767, 124290), (2565, 85622), (2762, 79515), (2790, 78717), (2945, 74574), (3534, 62145), (4143, 53010), (4185, 52478), (5130, 42811), (5301, 41430), (5890, 37287), (6905, 31806), (8286, 26505), (8370, 26239), (8835, 24858), (10602, 20715), (12429, 17670), (13810, 15903)]