194901420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{66293}}^1$

素因数の和:66319

約数の個数: 72

約数和(自身を含む): 634831344

約数和(自身を除く): 439929924

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 66293, 132586, 198879, 265172, 331465, 397758, 464051, 662930, 795516, 928102, 994395, 1325860, 1392153, 1856204, 1988790, 2320255, 2784306, 3248357, 3977580, 4640510, 5568612, 6496714, 6960765, 9281020, 9745071, 12993428, 13921530, 16241785, 19490142, 27843060, 32483570, 38980284, 48725355, 64967140, 97450710, 194901420]

約数ペア:

[(1, 194901420), (2, 97450710), (3, 64967140), (4, 48725355), (5, 38980284), (6, 32483570), (7, 27843060), (10, 19490142), (12, 16241785), (14, 13921530), (15, 12993428), (20, 9745071), (21, 9281020), (28, 6960765), (30, 6496714), (35, 5568612), (42, 4640510), (49, 3977580), (60, 3248357), (70, 2784306), (84, 2320255), (98, 1988790), (105, 1856204), (140, 1392153), (147, 1325860), (196, 994395), (210, 928102), (245, 795516), (294, 662930), (420, 464051), (490, 397758), (588, 331465), (735, 265172), (980, 198879), (1470, 132586), (2940, 66293)]