68001700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{181}}^1$

素因数の和:242

約数の個数: 108

約数和(自身を含む): 169745212

約数和(自身を除く): 101743512

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 130, 170, 181, 221, 260, 289, 325, 340, 362, 425, 442, 578, 650, 724, 850, 884, 905, 1105, 1156, 1300, 1445, 1700, 1810, 2210, 2353, 2890, 3077, 3620, 3757, 4420, 4525, 4706, 5525, 5780, 6154, 7225, 7514, 9050, 9412, 11050, 11765, 12308, 14450, 15028, 15385, 18100, 18785, 22100, 23530, 28900, 30770, 37570, 40001, 47060, 52309, 58825, 61540, 75140, 76925, 80002, 93925, 104618, 117650, 153850, 160004, 187850, 200005, 209236, 235300, 261545, 307700, 375700, 400010, 523090, 680017, 800020, 1000025, 1046180, 1307725, 1360034, 2000050, 2615450, 2720068, 3400085, 4000100, 5230900, 6800170, 13600340, 17000425, 34000850, 68001700]

約数ペア:

[(1, 68001700), (2, 34000850), (4, 17000425), (5, 13600340), (10, 6800170), (13, 5230900), (17, 4000100), (20, 3400085), (25, 2720068), (26, 2615450), (34, 2000050), (50, 1360034), (52, 1307725), (65, 1046180), (68, 1000025), (85, 800020), (100, 680017), (130, 523090), (170, 400010), (181, 375700), (221, 307700), (260, 261545), (289, 235300), (325, 209236), (340, 200005), (362, 187850), (425, 160004), (442, 153850), (578, 117650), (650, 104618), (724, 93925), (850, 80002), (884, 76925), (905, 75140), (1105, 61540), (1156, 58825), (1300, 52309), (1445, 47060), (1700, 40001), (1810, 37570), (2210, 30770), (2353, 28900), (2890, 23530), (3077, 22100), (3620, 18785), (3757, 18100), (4420, 15385), (4525, 15028), (4706, 14450), (5525, 12308), (5780, 11765), (6154, 11050), (7225, 9412), (7514, 9050)]