77534380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 214502400

約数和(自身を除く): 136968020

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 55, 70, 77, 92, 110, 115, 121, 140, 154, 161, 199, 220, 230, 242, 253, 308, 322, 385, 398, 460, 484, 506, 605, 644, 770, 796, 805, 847, 995, 1012, 1210, 1265, 1393, 1540, 1610, 1694, 1771, 1990, 2189, 2420, 2530, 2783, 2786, 3220, 3388, 3542, 3980, 4235, 4378, 4577, 5060, 5566, 5572, 6965, 7084, 8470, 8756, 8855, 9154, 10945, 11132, 13915, 13930, 15323, 16940, 17710, 18308, 19481, 21890, 22885, 24079, 27830, 27860, 30646, 32039, 35420, 38962, 43780, 45770, 48158, 50347, 55660, 61292, 64078, 76615, 77924, 91540, 96316, 97405, 100694, 120395, 128156, 153230, 160195, 168553, 194810, 201388, 240790, 251735, 306460, 320390, 337106, 352429, 389620, 481580, 503470, 553817, 640780, 674212, 704858, 842765, 1006940, 1107634, 1409716, 1685530, 1762145, 2215268, 2769085, 3371060, 3524290, 3876719, 5538170, 7048580, 7753438, 11076340, 15506876, 19383595, 38767190, 77534380]

約数ペア:

[(1, 77534380), (2, 38767190), (4, 19383595), (5, 15506876), (7, 11076340), (10, 7753438), (11, 7048580), (14, 5538170), (20, 3876719), (22, 3524290), (23, 3371060), (28, 2769085), (35, 2215268), (44, 1762145), (46, 1685530), (55, 1409716), (70, 1107634), (77, 1006940), (92, 842765), (110, 704858), (115, 674212), (121, 640780), (140, 553817), (154, 503470), (161, 481580), (199, 389620), (220, 352429), (230, 337106), (242, 320390), (253, 306460), (308, 251735), (322, 240790), (385, 201388), (398, 194810), (460, 168553), (484, 160195), (506, 153230), (605, 128156), (644, 120395), (770, 100694), (796, 97405), (805, 96316), (847, 91540), (995, 77924), (1012, 76615), (1210, 64078), (1265, 61292), (1393, 55660), (1540, 50347), (1610, 48158), (1694, 45770), (1771, 43780), (1990, 38962), (2189, 35420), (2420, 32039), (2530, 30646), (2783, 27860), (2786, 27830), (3220, 24079), (3388, 22885), (3542, 21890), (3980, 19481), (4235, 18308), (4378, 17710), (4577, 16940), (5060, 15323), (5566, 13930), (5572, 13915), (6965, 11132), (7084, 10945), (8470, 9154), (8756, 8855)]