22172620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 51078384

約数和(自身を除く): 28905764

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 83, 95, 148, 166, 185, 190, 332, 361, 370, 380, 415, 703, 722, 740, 830, 1406, 1444, 1577, 1660, 1805, 2812, 3071, 3154, 3515, 3610, 6142, 6308, 7030, 7220, 7885, 12284, 13357, 14060, 15355, 15770, 26714, 29963, 30710, 31540, 53428, 58349, 59926, 61420, 66785, 116698, 119852, 133570, 149815, 233396, 267140, 291745, 299630, 583490, 599260, 1108631, 1166980, 2217262, 4434524, 5543155, 11086310, 22172620]

約数ペア:

[(1, 22172620), (2, 11086310), (4, 5543155), (5, 4434524), (10, 2217262), (19, 1166980), (20, 1108631), (37, 599260), (38, 583490), (74, 299630), (76, 291745), (83, 267140), (95, 233396), (148, 149815), (166, 133570), (185, 119852), (190, 116698), (332, 66785), (361, 61420), (370, 59926), (380, 58349), (415, 53428), (703, 31540), (722, 30710), (740, 29963), (830, 26714), (1406, 15770), (1444, 15355), (1577, 14060), (1660, 13357), (1805, 12284), (2812, 7885), (3071, 7220), (3154, 7030), (3515, 6308), (3610, 6142)]