28463680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:252

約数の個数: 112

約数和(自身を含む): 78857856

約数和(自身を除く): 50394176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 97, 112, 131, 140, 160, 194, 224, 262, 280, 320, 388, 448, 485, 524, 560, 655, 679, 776, 917, 970, 1048, 1120, 1310, 1358, 1552, 1834, 1940, 2096, 2240, 2620, 2716, 3104, 3395, 3668, 3880, 4192, 4585, 5240, 5432, 6208, 6790, 7336, 7760, 8384, 9170, 10480, 10864, 12707, 13580, 14672, 15520, 18340, 20960, 21728, 25414, 27160, 29344, 31040, 36680, 41920, 43456, 50828, 54320, 58688, 63535, 73360, 88949, 101656, 108640, 127070, 146720, 177898, 203312, 217280, 254140, 293440, 355796, 406624, 444745, 508280, 711592, 813248, 889490, 1016560, 1423184, 1778980, 2033120, 2846368, 3557960, 4066240, 5692736, 7115920, 14231840, 28463680]

約数ペア:

[(1, 28463680), (2, 14231840), (4, 7115920), (5, 5692736), (7, 4066240), (8, 3557960), (10, 2846368), (14, 2033120), (16, 1778980), (20, 1423184), (28, 1016560), (32, 889490), (35, 813248), (40, 711592), (56, 508280), (64, 444745), (70, 406624), (80, 355796), (97, 293440), (112, 254140), (131, 217280), (140, 203312), (160, 177898), (194, 146720), (224, 127070), (262, 108640), (280, 101656), (320, 88949), (388, 73360), (448, 63535), (485, 58688), (524, 54320), (560, 50828), (655, 43456), (679, 41920), (776, 36680), (917, 31040), (970, 29344), (1048, 27160), (1120, 25414), (1310, 21728), (1358, 20960), (1552, 18340), (1834, 15520), (1940, 14672), (2096, 13580), (2240, 12707), (2620, 10864), (2716, 10480), (3104, 9170), (3395, 8384), (3668, 7760), (3880, 7336), (4192, 6790), (4585, 6208), (5240, 5432)]