201219590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{631}}^1$

素因数の和:885

約数の個数: 64

約数和(自身を含む): 428101632

約数和(自身を除く): 226882042

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 223, 286, 446, 631, 715, 1115, 1262, 1430, 2230, 2453, 2899, 3155, 4906, 5798, 6310, 6941, 8203, 12265, 13882, 14495, 16406, 24530, 28990, 31889, 34705, 41015, 63778, 69410, 82030, 90233, 140713, 159445, 180466, 281426, 318890, 451165, 703565, 902330, 1407130, 1547843, 1829269, 3095686, 3658538, 7739215, 9146345, 15478430, 18292690, 20121959, 40243918, 100609795, 201219590]

約数ペア:

[(1, 201219590), (2, 100609795), (5, 40243918), (10, 20121959), (11, 18292690), (13, 15478430), (22, 9146345), (26, 7739215), (55, 3658538), (65, 3095686), (110, 1829269), (130, 1547843), (143, 1407130), (223, 902330), (286, 703565), (446, 451165), (631, 318890), (715, 281426), (1115, 180466), (1262, 159445), (1430, 140713), (2230, 90233), (2453, 82030), (2899, 69410), (3155, 63778), (4906, 41015), (5798, 34705), (6310, 31889), (6941, 28990), (8203, 24530), (12265, 16406), (13882, 14495)]