198112400

素因数分解:

$2^4\times 5^2\times {\mathrm{523}}^1\times {\mathrm{947}}^1$

素因数の和:1488

約数の個数: 60

約数和(自身を含む): 477378672

約数和(自身を除く): 279266272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 523, 947, 1046, 1894, 2092, 2615, 3788, 4184, 4735, 5230, 7576, 8368, 9470, 10460, 13075, 15152, 18940, 20920, 23675, 26150, 37880, 41840, 47350, 52300, 75760, 94700, 104600, 189400, 209200, 378800, 495281, 990562, 1981124, 2476405, 3962248, 4952810, 7924496, 9905620, 12382025, 19811240, 24764050, 39622480, 49528100, 99056200, 198112400]

約数ペア:

[(1, 198112400), (2, 99056200), (4, 49528100), (5, 39622480), (8, 24764050), (10, 19811240), (16, 12382025), (20, 9905620), (25, 7924496), (40, 4952810), (50, 3962248), (80, 2476405), (100, 1981124), (200, 990562), (400, 495281), (523, 378800), (947, 209200), (1046, 189400), (1894, 104600), (2092, 94700), (2615, 75760), (3788, 52300), (4184, 47350), (4735, 41840), (5230, 37880), (7576, 26150), (8368, 23675), (9470, 20920), (10460, 18940), (13075, 15152)]