78541700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{983}}^1$

素因数の和:1061

約数の個数: 72

約数和(自身を含む): 184488192

約数和(自身を除く): 105946492

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 47, 50, 68, 85, 94, 100, 170, 188, 235, 340, 425, 470, 799, 850, 940, 983, 1175, 1598, 1700, 1966, 2350, 3196, 3932, 3995, 4700, 4915, 7990, 9830, 15980, 16711, 19660, 19975, 24575, 33422, 39950, 46201, 49150, 66844, 79900, 83555, 92402, 98300, 167110, 184804, 231005, 334220, 417775, 462010, 785417, 835550, 924020, 1155025, 1570834, 1671100, 2310050, 3141668, 3927085, 4620100, 7854170, 15708340, 19635425, 39270850, 78541700]

約数ペア:

[(1, 78541700), (2, 39270850), (4, 19635425), (5, 15708340), (10, 7854170), (17, 4620100), (20, 3927085), (25, 3141668), (34, 2310050), (47, 1671100), (50, 1570834), (68, 1155025), (85, 924020), (94, 835550), (100, 785417), (170, 462010), (188, 417775), (235, 334220), (340, 231005), (425, 184804), (470, 167110), (799, 98300), (850, 92402), (940, 83555), (983, 79900), (1175, 66844), (1598, 49150), (1700, 46201), (1966, 39950), (2350, 33422), (3196, 24575), (3932, 19975), (3995, 19660), (4700, 16711), (4915, 15980), (7990, 9830)]