21972752350

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{769}}^1\times {\mathrm{1583}}^1$

素因数の和:2402

約数の個数: 72

約数和(自身を含む): 43216921440

約数和(自身を除く): 21244169090

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 361, 475, 722, 769, 950, 1538, 1583, 1805, 3166, 3610, 3845, 7690, 7915, 9025, 14611, 15830, 18050, 19225, 29222, 30077, 38450, 39575, 60154, 73055, 79150, 146110, 150385, 277609, 300770, 365275, 555218, 571463, 730550, 751925, 1142926, 1217327, 1388045, 1503850, 2434654, 2776090, 2857315, 5714630, 6086635, 6940225, 12173270, 13880450, 14286575, 23129213, 28573150, 30433175, 46258426, 60866350, 115646065, 231292130, 439455047, 578230325, 878910094, 1156460650, 2197275235, 4394550470, 10986376175, 21972752350]

約数ペア:

[(1, 21972752350), (2, 10986376175), (5, 4394550470), (10, 2197275235), (19, 1156460650), (25, 878910094), (38, 578230325), (50, 439455047), (95, 231292130), (190, 115646065), (361, 60866350), (475, 46258426), (722, 30433175), (769, 28573150), (950, 23129213), (1538, 14286575), (1583, 13880450), (1805, 12173270), (3166, 6940225), (3610, 6086635), (3845, 5714630), (7690, 2857315), (7915, 2776090), (9025, 2434654), (14611, 1503850), (15830, 1388045), (18050, 1217327), (19225, 1142926), (29222, 751925), (30077, 730550), (38450, 571463), (39575, 555218), (60154, 365275), (73055, 300770), (79150, 277609), (146110, 150385)]