1398896680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{7321}}^1$

素因数の和:7630

約数の個数: 64

約数和(自身を含む): 3344982480

約数和(自身を除く): 1946085800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 281, 340, 562, 680, 1124, 1405, 2248, 2810, 4777, 5620, 7321, 9554, 11240, 14642, 19108, 23885, 29284, 36605, 38216, 47770, 58568, 73210, 95540, 124457, 146420, 191080, 248914, 292840, 497828, 622285, 995656, 1244570, 2057201, 2489140, 4114402, 4978280, 8228804, 10286005, 16457608, 20572010, 34972417, 41144020, 69944834, 82288040, 139889668, 174862085, 279779336, 349724170, 699448340, 1398896680]

約数ペア:

[(1, 1398896680), (2, 699448340), (4, 349724170), (5, 279779336), (8, 174862085), (10, 139889668), (17, 82288040), (20, 69944834), (34, 41144020), (40, 34972417), (68, 20572010), (85, 16457608), (136, 10286005), (170, 8228804), (281, 4978280), (340, 4114402), (562, 2489140), (680, 2057201), (1124, 1244570), (1405, 995656), (2248, 622285), (2810, 497828), (4777, 292840), (5620, 248914), (7321, 191080), (9554, 146420), (11240, 124457), (14642, 95540), (19108, 73210), (23885, 58568), (29284, 47770), (36605, 38216)]