207840470

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 411319296

約数和(自身を除く): 203478826

約数列:

[1, 2, 5, 10, 17, 34, 37, 74, 85, 170, 173, 185, 191, 346, 370, 382, 629, 865, 955, 1258, 1730, 1910, 2941, 3145, 3247, 5882, 6290, 6401, 6494, 7067, 12802, 14134, 14705, 16235, 29410, 32005, 32470, 33043, 35335, 64010, 66086, 70670, 108817, 120139, 165215, 217634, 240278, 330430, 544085, 561731, 600695, 1088170, 1123462, 1201390, 1222591, 2445182, 2808655, 5617310, 6112955, 12225910, 20784047, 41568094, 103920235, 207840470]

約数ペア:

[(1, 207840470), (2, 103920235), (5, 41568094), (10, 20784047), (17, 12225910), (34, 6112955), (37, 5617310), (74, 2808655), (85, 2445182), (170, 1222591), (173, 1201390), (185, 1123462), (191, 1088170), (346, 600695), (370, 561731), (382, 544085), (629, 330430), (865, 240278), (955, 217634), (1258, 165215), (1730, 120139), (1910, 108817), (2941, 70670), (3145, 66086), (3247, 64010), (5882, 35335), (6290, 33043), (6401, 32470), (6494, 32005), (7067, 29410), (12802, 16235), (14134, 14705)]