236455780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{491}}^1$

素因数の和:721

約数の個数: 72

約数和(自身を含む): 549662400

約数和(自身を除く): 313206620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 199, 220, 242, 398, 484, 491, 605, 796, 982, 995, 1210, 1964, 1990, 2189, 2420, 2455, 3980, 4378, 4910, 5401, 8756, 9820, 10802, 10945, 21604, 21890, 24079, 27005, 43780, 48158, 54010, 59411, 96316, 97709, 108020, 118822, 120395, 195418, 237644, 240790, 297055, 390836, 481580, 488545, 594110, 977090, 1074799, 1188220, 1954180, 2149598, 4299196, 5373995, 10747990, 11822789, 21495980, 23645578, 47291156, 59113945, 118227890, 236455780]

約数ペア:

[(1, 236455780), (2, 118227890), (4, 59113945), (5, 47291156), (10, 23645578), (11, 21495980), (20, 11822789), (22, 10747990), (44, 5373995), (55, 4299196), (110, 2149598), (121, 1954180), (199, 1188220), (220, 1074799), (242, 977090), (398, 594110), (484, 488545), (491, 481580), (605, 390836), (796, 297055), (982, 240790), (995, 237644), (1210, 195418), (1964, 120395), (1990, 118822), (2189, 108020), (2420, 97709), (2455, 96316), (3980, 59411), (4378, 54010), (4910, 48158), (5401, 43780), (8756, 27005), (9820, 24079), (10802, 21890), (10945, 21604)]