403308820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:353

約数の個数: 96

約数和(自身を含む): 919941120

約数和(自身を除く): 516632300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 127, 137, 190, 244, 254, 274, 305, 380, 508, 548, 610, 635, 685, 1159, 1220, 1270, 1370, 2318, 2413, 2540, 2603, 2740, 4636, 4826, 5206, 5795, 7747, 8357, 9652, 10412, 11590, 12065, 13015, 15494, 16714, 17399, 23180, 24130, 26030, 30988, 33428, 34798, 38735, 41785, 48260, 52060, 69596, 77470, 83570, 86995, 147193, 154940, 158783, 167140, 173990, 294386, 317566, 330581, 347980, 588772, 635132, 661162, 735965, 793915, 1061339, 1322324, 1471930, 1587830, 1652905, 2122678, 2943860, 3175660, 3305810, 4245356, 5306695, 6611620, 10613390, 20165441, 21226780, 40330882, 80661764, 100827205, 201654410, 403308820]

約数ペア:

[(1, 403308820), (2, 201654410), (4, 100827205), (5, 80661764), (10, 40330882), (19, 21226780), (20, 20165441), (38, 10613390), (61, 6611620), (76, 5306695), (95, 4245356), (122, 3305810), (127, 3175660), (137, 2943860), (190, 2122678), (244, 1652905), (254, 1587830), (274, 1471930), (305, 1322324), (380, 1061339), (508, 793915), (548, 735965), (610, 661162), (635, 635132), (685, 588772), (1159, 347980), (1220, 330581), (1270, 317566), (1370, 294386), (2318, 173990), (2413, 167140), (2540, 158783), (2603, 154940), (2740, 147193), (4636, 86995), (4826, 83570), (5206, 77470), (5795, 69596), (7747, 52060), (8357, 48260), (9652, 41785), (10412, 38735), (11590, 34798), (12065, 33428), (13015, 30988), (15494, 26030), (16714, 24130), (17399, 23180)]