28814450

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{619}}^1$

素因数の和:664

約数の個数: 72

約数和(自身を含む): 65732400

約数和(自身を除く): 36917950

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 49, 50, 70, 95, 98, 133, 175, 190, 245, 266, 350, 475, 490, 619, 665, 931, 950, 1225, 1238, 1330, 1862, 2450, 3095, 3325, 4333, 4655, 6190, 6650, 8666, 9310, 11761, 15475, 21665, 23275, 23522, 30331, 30950, 43330, 46550, 58805, 60662, 82327, 108325, 117610, 151655, 164654, 216650, 294025, 303310, 411635, 576289, 588050, 758275, 823270, 1152578, 1516550, 2058175, 2881445, 4116350, 5762890, 14407225, 28814450]

約数ペア:

[(1, 28814450), (2, 14407225), (5, 5762890), (7, 4116350), (10, 2881445), (14, 2058175), (19, 1516550), (25, 1152578), (35, 823270), (38, 758275), (49, 588050), (50, 576289), (70, 411635), (95, 303310), (98, 294025), (133, 216650), (175, 164654), (190, 151655), (245, 117610), (266, 108325), (350, 82327), (475, 60662), (490, 58805), (619, 46550), (665, 43330), (931, 30950), (950, 30331), (1225, 23522), (1238, 23275), (1330, 21665), (1862, 15475), (2450, 11761), (3095, 9310), (3325, 8666), (4333, 6650), (4655, 6190)]