74396020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 175190400

約数和(自身を除く): 100794380

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 43, 58, 76, 86, 95, 116, 145, 157, 172, 190, 215, 290, 314, 380, 430, 551, 580, 628, 785, 817, 860, 1102, 1247, 1570, 1634, 2204, 2494, 2755, 2983, 3140, 3268, 4085, 4553, 4988, 5510, 5966, 6235, 6751, 8170, 9106, 11020, 11932, 12470, 13502, 14915, 16340, 18212, 22765, 23693, 24940, 27004, 29830, 33755, 45530, 47386, 59660, 67510, 86507, 91060, 94772, 118465, 128269, 135020, 173014, 195779, 236930, 256538, 346028, 391558, 432535, 473860, 513076, 641345, 783116, 865070, 978895, 1282690, 1730140, 1957790, 2565380, 3719801, 3915580, 7439602, 14879204, 18599005, 37198010, 74396020]

約数ペア:

[(1, 74396020), (2, 37198010), (4, 18599005), (5, 14879204), (10, 7439602), (19, 3915580), (20, 3719801), (29, 2565380), (38, 1957790), (43, 1730140), (58, 1282690), (76, 978895), (86, 865070), (95, 783116), (116, 641345), (145, 513076), (157, 473860), (172, 432535), (190, 391558), (215, 346028), (290, 256538), (314, 236930), (380, 195779), (430, 173014), (551, 135020), (580, 128269), (628, 118465), (785, 94772), (817, 91060), (860, 86507), (1102, 67510), (1247, 59660), (1570, 47386), (1634, 45530), (2204, 33755), (2494, 29830), (2755, 27004), (2983, 24940), (3140, 23693), (3268, 22765), (4085, 18212), (4553, 16340), (4988, 14915), (5510, 13502), (5966, 12470), (6235, 11932), (6751, 11020), (8170, 9106)]