154428400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{7879}}^1$

素因数の和:7911

約数の個数: 90

約数和(自身を含む): 431642760

約数和(自身を除く): 277214360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1400, 1960, 2450, 2800, 3920, 4900, 7879, 9800, 15758, 19600, 31516, 39395, 55153, 63032, 78790, 110306, 126064, 157580, 196975, 220612, 275765, 315160, 386071, 393950, 441224, 551530, 630320, 772142, 787900, 882448, 1103060, 1378825, 1544284, 1575800, 1930355, 2206120, 2757650, 3088568, 3151600, 3860710, 4412240, 5515300, 6177136, 7721420, 9651775, 11030600, 15442840, 19303550, 22061200, 30885680, 38607100, 77214200, 154428400]

約数ペア:

[(1, 154428400), (2, 77214200), (4, 38607100), (5, 30885680), (7, 22061200), (8, 19303550), (10, 15442840), (14, 11030600), (16, 9651775), (20, 7721420), (25, 6177136), (28, 5515300), (35, 4412240), (40, 3860710), (49, 3151600), (50, 3088568), (56, 2757650), (70, 2206120), (80, 1930355), (98, 1575800), (100, 1544284), (112, 1378825), (140, 1103060), (175, 882448), (196, 787900), (200, 772142), (245, 630320), (280, 551530), (350, 441224), (392, 393950), (400, 386071), (490, 315160), (560, 275765), (700, 220612), (784, 196975), (980, 157580), (1225, 126064), (1400, 110306), (1960, 78790), (2450, 63032), (2800, 55153), (3920, 39395), (4900, 31516), (7879, 19600), (9800, 15758)]