239680220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:411

約数の個数: 96

約数和(自身を含む): 566286336

約数和(自身を除く): 326606116

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 131, 155, 227, 260, 262, 310, 403, 454, 524, 620, 655, 806, 908, 1135, 1310, 1612, 1703, 2015, 2270, 2620, 2951, 3406, 4030, 4061, 4540, 5902, 6812, 7037, 8060, 8122, 8515, 11804, 14074, 14755, 16244, 17030, 20305, 28148, 29510, 29737, 34060, 35185, 40610, 52793, 59020, 59474, 70370, 81220, 91481, 105586, 118948, 140740, 148685, 182962, 211172, 263965, 297370, 365924, 386581, 457405, 527930, 594740, 773162, 914810, 921847, 1055860, 1546324, 1829620, 1843694, 1932905, 3687388, 3865810, 4609235, 7731620, 9218470, 11984011, 18436940, 23968022, 47936044, 59920055, 119840110, 239680220]

約数ペア:

[(1, 239680220), (2, 119840110), (4, 59920055), (5, 47936044), (10, 23968022), (13, 18436940), (20, 11984011), (26, 9218470), (31, 7731620), (52, 4609235), (62, 3865810), (65, 3687388), (124, 1932905), (130, 1843694), (131, 1829620), (155, 1546324), (227, 1055860), (260, 921847), (262, 914810), (310, 773162), (403, 594740), (454, 527930), (524, 457405), (620, 386581), (655, 365924), (806, 297370), (908, 263965), (1135, 211172), (1310, 182962), (1612, 148685), (1703, 140740), (2015, 118948), (2270, 105586), (2620, 91481), (2951, 81220), (3406, 70370), (4030, 59474), (4061, 59020), (4540, 52793), (5902, 40610), (6812, 35185), (7037, 34060), (8060, 29737), (8122, 29510), (8515, 28148), (11804, 20305), (14074, 17030), (14755, 16244)]