78465650

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:168

約数の個数: 72

約数和(自身を含む): 159579072

約数和(自身を除く): 81113422

約数列:

[1, 2, 5, 10, 23, 25, 31, 46, 50, 62, 71, 115, 142, 155, 230, 310, 355, 575, 710, 713, 775, 961, 1150, 1426, 1550, 1633, 1775, 1922, 2201, 3266, 3550, 3565, 4402, 4805, 7130, 8165, 9610, 11005, 16330, 17825, 22010, 22103, 24025, 35650, 40825, 44206, 48050, 50623, 55025, 68231, 81650, 101246, 110050, 110515, 136462, 221030, 253115, 341155, 506230, 552575, 682310, 1105150, 1265575, 1569313, 1705775, 2531150, 3138626, 3411550, 7846565, 15693130, 39232825, 78465650]

約数ペア:

[(1, 78465650), (2, 39232825), (5, 15693130), (10, 7846565), (23, 3411550), (25, 3138626), (31, 2531150), (46, 1705775), (50, 1569313), (62, 1265575), (71, 1105150), (115, 682310), (142, 552575), (155, 506230), (230, 341155), (310, 253115), (355, 221030), (575, 136462), (710, 110515), (713, 110050), (775, 101246), (961, 81650), (1150, 68231), (1426, 55025), (1550, 50623), (1633, 48050), (1775, 44206), (1922, 40825), (2201, 35650), (3266, 24025), (3550, 22103), (3565, 22010), (4402, 17825), (4805, 16330), (7130, 11005), (8165, 9610)]