686863380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{307}}^1\times {\mathrm{761}}^1$

素因数の和:1094

約数の個数: 144

約数和(自身を含む): 2247448896

約数和(自身を除く): 1560585516

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 307, 420, 490, 588, 614, 735, 761, 921, 980, 1228, 1470, 1522, 1535, 1842, 2149, 2283, 2940, 3044, 3070, 3684, 3805, 4298, 4566, 4605, 5327, 6140, 6447, 7610, 8596, 9132, 9210, 10654, 10745, 11415, 12894, 15043, 15220, 15981, 18420, 21308, 21490, 22830, 25788, 26635, 30086, 31962, 32235, 37289, 42980, 45129, 45660, 53270, 60172, 63924, 64470, 74578, 75215, 79905, 90258, 106540, 111867, 128940, 149156, 150430, 159810, 180516, 186445, 223734, 225645, 233627, 300860, 319620, 372890, 447468, 451290, 467254, 559335, 700881, 745780, 902580, 934508, 1118670, 1168135, 1401762, 1635389, 2237340, 2336270, 2803524, 3270778, 3504405, 4672540, 4906167, 6541556, 7008810, 8176945, 9812334, 11447723, 14017620, 16353890, 19624668, 22895446, 24530835, 32707780, 34343169, 45790892, 49061670, 57238615, 68686338, 98123340, 114477230, 137372676, 171715845, 228954460, 343431690, 686863380]

約数ペア:

[(1, 686863380), (2, 343431690), (3, 228954460), (4, 171715845), (5, 137372676), (6, 114477230), (7, 98123340), (10, 68686338), (12, 57238615), (14, 49061670), (15, 45790892), (20, 34343169), (21, 32707780), (28, 24530835), (30, 22895446), (35, 19624668), (42, 16353890), (49, 14017620), (60, 11447723), (70, 9812334), (84, 8176945), (98, 7008810), (105, 6541556), (140, 4906167), (147, 4672540), (196, 3504405), (210, 3270778), (245, 2803524), (294, 2336270), (307, 2237340), (420, 1635389), (490, 1401762), (588, 1168135), (614, 1118670), (735, 934508), (761, 902580), (921, 745780), (980, 700881), (1228, 559335), (1470, 467254), (1522, 451290), (1535, 447468), (1842, 372890), (2149, 319620), (2283, 300860), (2940, 233627), (3044, 225645), (3070, 223734), (3684, 186445), (3805, 180516), (4298, 159810), (4566, 150430), (4605, 149156), (5327, 128940), (6140, 111867), (6447, 106540), (7610, 90258), (8596, 79905), (9132, 75215), (9210, 74578), (10654, 64470), (10745, 63924), (11415, 60172), (12894, 53270), (15043, 45660), (15220, 45129), (15981, 42980), (18420, 37289), (21308, 32235), (21490, 31962), (22830, 30086), (25788, 26635)]