187555220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{877}}^1$

素因数の和:957

約数の個数: 72

約数和(自身を含む): 430195416

約数和(自身を除く): 242640196

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 289, 340, 370, 578, 629, 740, 877, 1156, 1258, 1445, 1754, 2516, 2890, 3145, 3508, 4385, 5780, 6290, 8770, 10693, 12580, 14909, 17540, 21386, 29818, 32449, 42772, 53465, 59636, 64898, 74545, 106930, 129796, 149090, 162245, 213860, 253453, 298180, 324490, 506906, 551633, 648980, 1013812, 1103266, 1267265, 2206532, 2534530, 2758165, 5069060, 5516330, 9377761, 11032660, 18755522, 37511044, 46888805, 93777610, 187555220]

約数ペア:

[(1, 187555220), (2, 93777610), (4, 46888805), (5, 37511044), (10, 18755522), (17, 11032660), (20, 9377761), (34, 5516330), (37, 5069060), (68, 2758165), (74, 2534530), (85, 2206532), (148, 1267265), (170, 1103266), (185, 1013812), (289, 648980), (340, 551633), (370, 506906), (578, 324490), (629, 298180), (740, 253453), (877, 213860), (1156, 162245), (1258, 149090), (1445, 129796), (1754, 106930), (2516, 74545), (2890, 64898), (3145, 59636), (3508, 53465), (4385, 42772), (5780, 32449), (6290, 29818), (8770, 21386), (10693, 17540), (12580, 14909)]