78840488050

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^2\times {\mathrm{397}}^1\times {\mathrm{4133}}^1$

素因数の和:4604

約数の個数: 72

約数和(自身を含む): 151944764868

約数和(自身を除く): 73104276818

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 397, 775, 794, 961, 1550, 1922, 1985, 3970, 4133, 4805, 8266, 9610, 9925, 12307, 19850, 20665, 24025, 24614, 41330, 48050, 61535, 103325, 123070, 128123, 206650, 256246, 307675, 381517, 615350, 640615, 763034, 1281230, 1640801, 1907585, 3203075, 3281602, 3815170, 3971813, 6406150, 7943626, 8204005, 9537925, 16408010, 19075850, 19859065, 39718130, 41020025, 50864831, 82040050, 99295325, 101729662, 198590650, 254324155, 508648310, 1271620775, 1576809761, 2543241550, 3153619522, 7884048805, 15768097610, 39420244025, 78840488050]

約数ペア:

[(1, 78840488050), (2, 39420244025), (5, 15768097610), (10, 7884048805), (25, 3153619522), (31, 2543241550), (50, 1576809761), (62, 1271620775), (155, 508648310), (310, 254324155), (397, 198590650), (775, 101729662), (794, 99295325), (961, 82040050), (1550, 50864831), (1922, 41020025), (1985, 39718130), (3970, 19859065), (4133, 19075850), (4805, 16408010), (8266, 9537925), (9610, 8204005), (9925, 7943626), (12307, 6406150), (19850, 3971813), (20665, 3815170), (24025, 3281602), (24614, 3203075), (41330, 1907585), (48050, 1640801), (61535, 1281230), (103325, 763034), (123070, 640615), (128123, 615350), (206650, 381517), (256246, 307675)]