28704200

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 81105300

約数和(自身を除く): 52401100

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 29, 35, 40, 49, 50, 56, 58, 70, 98, 100, 101, 116, 140, 145, 175, 196, 200, 202, 203, 232, 245, 280, 290, 350, 392, 404, 406, 490, 505, 580, 700, 707, 725, 808, 812, 980, 1010, 1015, 1160, 1225, 1400, 1414, 1421, 1450, 1624, 1960, 2020, 2030, 2450, 2525, 2828, 2842, 2900, 2929, 3535, 4040, 4060, 4900, 4949, 5050, 5075, 5656, 5684, 5800, 5858, 7070, 7105, 8120, 9800, 9898, 10100, 10150, 11368, 11716, 14140, 14210, 14645, 17675, 19796, 20200, 20300, 20503, 23432, 24745, 28280, 28420, 29290, 35350, 35525, 39592, 40600, 41006, 49490, 56840, 58580, 70700, 71050, 73225, 82012, 98980, 102515, 117160, 123725, 141400, 142100, 143521, 146450, 164024, 197960, 205030, 247450, 284200, 287042, 292900, 410060, 494900, 512575, 574084, 585800, 717605, 820120, 989800, 1025150, 1148168, 1435210, 2050300, 2870420, 3588025, 4100600, 5740840, 7176050, 14352100, 28704200]

約数ペア:

[(1, 28704200), (2, 14352100), (4, 7176050), (5, 5740840), (7, 4100600), (8, 3588025), (10, 2870420), (14, 2050300), (20, 1435210), (25, 1148168), (28, 1025150), (29, 989800), (35, 820120), (40, 717605), (49, 585800), (50, 574084), (56, 512575), (58, 494900), (70, 410060), (98, 292900), (100, 287042), (101, 284200), (116, 247450), (140, 205030), (145, 197960), (175, 164024), (196, 146450), (200, 143521), (202, 142100), (203, 141400), (232, 123725), (245, 117160), (280, 102515), (290, 98980), (350, 82012), (392, 73225), (404, 71050), (406, 70700), (490, 58580), (505, 56840), (580, 49490), (700, 41006), (707, 40600), (725, 39592), (808, 35525), (812, 35350), (980, 29290), (1010, 28420), (1015, 28280), (1160, 24745), (1225, 23432), (1400, 20503), (1414, 20300), (1421, 20200), (1450, 19796), (1624, 17675), (1960, 14645), (2020, 14210), (2030, 14140), (2450, 11716), (2525, 11368), (2828, 10150), (2842, 10100), (2900, 9898), (2929, 9800), (3535, 8120), (4040, 7105), (4060, 7070), (4900, 5858), (4949, 5800), (5050, 5684), (5075, 5656)]