42623140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 113992704

約数和(自身を除く): 71369564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 31, 35, 46, 49, 61, 62, 70, 92, 98, 115, 122, 124, 140, 155, 161, 196, 217, 230, 244, 245, 305, 310, 322, 427, 434, 460, 490, 610, 620, 644, 713, 805, 854, 868, 980, 1085, 1127, 1220, 1403, 1426, 1519, 1610, 1708, 1891, 2135, 2170, 2254, 2806, 2852, 2989, 3038, 3220, 3565, 3782, 4270, 4340, 4508, 4991, 5612, 5635, 5978, 6076, 7015, 7130, 7564, 7595, 8540, 9455, 9821, 9982, 11270, 11956, 13237, 14030, 14260, 14945, 15190, 18910, 19642, 19964, 22540, 24955, 26474, 28060, 29890, 30380, 34937, 37820, 39284, 43493, 49105, 49910, 52948, 59780, 66185, 68747, 69874, 86986, 92659, 98210, 99820, 132370, 137494, 139748, 173972, 174685, 185318, 196420, 217465, 264740, 274988, 304451, 343735, 349370, 370636, 434930, 463295, 608902, 687470, 698740, 869860, 926590, 1217804, 1374940, 1522255, 1853180, 2131157, 3044510, 4262314, 6089020, 8524628, 10655785, 21311570, 42623140]

約数ペア:

[(1, 42623140), (2, 21311570), (4, 10655785), (5, 8524628), (7, 6089020), (10, 4262314), (14, 3044510), (20, 2131157), (23, 1853180), (28, 1522255), (31, 1374940), (35, 1217804), (46, 926590), (49, 869860), (61, 698740), (62, 687470), (70, 608902), (92, 463295), (98, 434930), (115, 370636), (122, 349370), (124, 343735), (140, 304451), (155, 274988), (161, 264740), (196, 217465), (217, 196420), (230, 185318), (244, 174685), (245, 173972), (305, 139748), (310, 137494), (322, 132370), (427, 99820), (434, 98210), (460, 92659), (490, 86986), (610, 69874), (620, 68747), (644, 66185), (713, 59780), (805, 52948), (854, 49910), (868, 49105), (980, 43493), (1085, 39284), (1127, 37820), (1220, 34937), (1403, 30380), (1426, 29890), (1519, 28060), (1610, 26474), (1708, 24955), (1891, 22540), (2135, 19964), (2170, 19642), (2254, 18910), (2806, 15190), (2852, 14945), (2989, 14260), (3038, 14030), (3220, 13237), (3565, 11956), (3782, 11270), (4270, 9982), (4340, 9821), (4508, 9455), (4991, 8540), (5612, 7595), (5635, 7564), (5978, 7130), (6076, 7015)]