212852820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:398

約数の個数: 144

約数和(自身を含む): 651345408

約数和(自身を除く): 438492588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 31, 38, 57, 60, 62, 76, 93, 95, 114, 124, 155, 186, 190, 228, 285, 310, 317, 361, 372, 380, 465, 570, 589, 620, 634, 722, 930, 951, 1083, 1140, 1178, 1268, 1444, 1585, 1767, 1805, 1860, 1902, 2166, 2356, 2945, 3170, 3534, 3610, 3804, 4332, 4755, 5415, 5890, 6023, 6340, 7068, 7220, 8835, 9510, 9827, 10830, 11191, 11780, 12046, 17670, 18069, 19020, 19654, 21660, 22382, 24092, 29481, 30115, 33573, 35340, 36138, 39308, 44764, 49135, 55955, 58962, 60230, 67146, 72276, 90345, 98270, 111910, 114437, 117924, 120460, 134292, 147405, 167865, 180690, 186713, 196540, 223820, 228874, 294810, 335730, 343311, 361380, 373426, 457748, 560139, 572185, 589620, 671460, 686622, 746852, 933565, 1120278, 1144370, 1373244, 1716555, 1867130, 2240556, 2288740, 2800695, 3433110, 3547547, 3734260, 5601390, 6866220, 7095094, 10642641, 11202780, 14190188, 17737735, 21285282, 35475470, 42570564, 53213205, 70950940, 106426410, 212852820]

約数ペア:

[(1, 212852820), (2, 106426410), (3, 70950940), (4, 53213205), (5, 42570564), (6, 35475470), (10, 21285282), (12, 17737735), (15, 14190188), (19, 11202780), (20, 10642641), (30, 7095094), (31, 6866220), (38, 5601390), (57, 3734260), (60, 3547547), (62, 3433110), (76, 2800695), (93, 2288740), (95, 2240556), (114, 1867130), (124, 1716555), (155, 1373244), (186, 1144370), (190, 1120278), (228, 933565), (285, 746852), (310, 686622), (317, 671460), (361, 589620), (372, 572185), (380, 560139), (465, 457748), (570, 373426), (589, 361380), (620, 343311), (634, 335730), (722, 294810), (930, 228874), (951, 223820), (1083, 196540), (1140, 186713), (1178, 180690), (1268, 167865), (1444, 147405), (1585, 134292), (1767, 120460), (1805, 117924), (1860, 114437), (1902, 111910), (2166, 98270), (2356, 90345), (2945, 72276), (3170, 67146), (3534, 60230), (3610, 58962), (3804, 55955), (4332, 49135), (4755, 44764), (5415, 39308), (5890, 36138), (6023, 35340), (6340, 33573), (7068, 30115), (7220, 29481), (8835, 24092), (9510, 22382), (9827, 21660), (10830, 19654), (11191, 19020), (11780, 18069), (12046, 17670)]