401027770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:280

約数の個数: 128

約数和(自身を含む): 901393920

約数和(自身を除く): 500366150

約数列:

[1, 2, 5, 10, 11, 13, 22, 23, 26, 46, 55, 65, 89, 110, 115, 130, 137, 143, 178, 230, 253, 274, 286, 299, 445, 506, 598, 685, 715, 890, 979, 1157, 1265, 1370, 1430, 1495, 1507, 1781, 1958, 2047, 2314, 2530, 2990, 3014, 3151, 3289, 3562, 4094, 4895, 5785, 6302, 6578, 7535, 8905, 9790, 10235, 11570, 12193, 12727, 15070, 15755, 16445, 17810, 19591, 20470, 22517, 24386, 25454, 26611, 31510, 32890, 34661, 39182, 40963, 45034, 53222, 60965, 63635, 69322, 81926, 97955, 112585, 121930, 127270, 133055, 134123, 158509, 173305, 195910, 204815, 225170, 266110, 268246, 280439, 292721, 317018, 346610, 409630, 450593, 560878, 585442, 670615, 792545, 901186, 1341230, 1402195, 1463605, 1585090, 1743599, 2252965, 2804390, 2927210, 3084829, 3487198, 3645707, 4505930, 6169658, 7291414, 8717995, 15424145, 17435990, 18228535, 30848290, 36457070, 40102777, 80205554, 200513885, 401027770]

約数ペア:

[(1, 401027770), (2, 200513885), (5, 80205554), (10, 40102777), (11, 36457070), (13, 30848290), (22, 18228535), (23, 17435990), (26, 15424145), (46, 8717995), (55, 7291414), (65, 6169658), (89, 4505930), (110, 3645707), (115, 3487198), (130, 3084829), (137, 2927210), (143, 2804390), (178, 2252965), (230, 1743599), (253, 1585090), (274, 1463605), (286, 1402195), (299, 1341230), (445, 901186), (506, 792545), (598, 670615), (685, 585442), (715, 560878), (890, 450593), (979, 409630), (1157, 346610), (1265, 317018), (1370, 292721), (1430, 280439), (1495, 268246), (1507, 266110), (1781, 225170), (1958, 204815), (2047, 195910), (2314, 173305), (2530, 158509), (2990, 134123), (3014, 133055), (3151, 127270), (3289, 121930), (3562, 112585), (4094, 97955), (4895, 81926), (5785, 69322), (6302, 63635), (6578, 60965), (7535, 53222), (8905, 45034), (9790, 40963), (10235, 39182), (11570, 34661), (12193, 32890), (12727, 31510), (15070, 26611), (15755, 25454), (16445, 24386), (17810, 22517), (19591, 20470)]