251129450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:181

約数の個数: 144

約数和(自身を含む): 576296448

約数和(自身を除く): 325166998

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 31, 50, 55, 62, 65, 103, 110, 121, 130, 143, 155, 206, 242, 275, 286, 310, 325, 341, 403, 515, 550, 605, 650, 682, 715, 775, 806, 1030, 1133, 1210, 1339, 1430, 1550, 1573, 1705, 2015, 2266, 2575, 2678, 3025, 3146, 3193, 3410, 3575, 3751, 4030, 4433, 5150, 5665, 6050, 6386, 6695, 7150, 7502, 7865, 8525, 8866, 10075, 11330, 12463, 13390, 14729, 15730, 15965, 17050, 18755, 20150, 22165, 24926, 28325, 29458, 31930, 33475, 35123, 37510, 39325, 41509, 44330, 48763, 56650, 62315, 66950, 70246, 73645, 78650, 79825, 83018, 93775, 97526, 110825, 124630, 147290, 159650, 162019, 175615, 187550, 207545, 221650, 243815, 311575, 324038, 351230, 368225, 386353, 415090, 456599, 487630, 623150, 736450, 772706, 810095, 878075, 913198, 1037725, 1219075, 1620190, 1756150, 1931765, 2075450, 2282995, 2438150, 3863530, 4050475, 4565990, 5022589, 8100950, 9658825, 10045178, 11414975, 19317650, 22829950, 25112945, 50225890, 125564725, 251129450]

約数ペア:

[(1, 251129450), (2, 125564725), (5, 50225890), (10, 25112945), (11, 22829950), (13, 19317650), (22, 11414975), (25, 10045178), (26, 9658825), (31, 8100950), (50, 5022589), (55, 4565990), (62, 4050475), (65, 3863530), (103, 2438150), (110, 2282995), (121, 2075450), (130, 1931765), (143, 1756150), (155, 1620190), (206, 1219075), (242, 1037725), (275, 913198), (286, 878075), (310, 810095), (325, 772706), (341, 736450), (403, 623150), (515, 487630), (550, 456599), (605, 415090), (650, 386353), (682, 368225), (715, 351230), (775, 324038), (806, 311575), (1030, 243815), (1133, 221650), (1210, 207545), (1339, 187550), (1430, 175615), (1550, 162019), (1573, 159650), (1705, 147290), (2015, 124630), (2266, 110825), (2575, 97526), (2678, 93775), (3025, 83018), (3146, 79825), (3193, 78650), (3410, 73645), (3575, 70246), (3751, 66950), (4030, 62315), (4433, 56650), (5150, 48763), (5665, 44330), (6050, 41509), (6386, 39325), (6695, 37510), (7150, 35123), (7502, 33475), (7865, 31930), (8525, 29458), (8866, 28325), (10075, 24926), (11330, 22165), (12463, 20150), (13390, 18755), (14729, 17050), (15730, 15965)]