280652235

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{101}}^1\times {\mathrm{641}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 482486112

約数和(自身を除く): 201833877

約数列:

[1, 3, 5, 15, 17, 51, 85, 101, 255, 289, 303, 505, 641, 867, 1445, 1515, 1717, 1923, 3205, 4335, 5151, 8585, 9615, 10897, 25755, 29189, 32691, 54485, 64741, 87567, 145945, 163455, 185249, 194223, 323705, 437835, 555747, 926245, 971115, 1100597, 2778735, 3301791, 5502985, 16508955, 18710149, 56130447, 93550745, 280652235]

約数ペア:

[(1, 280652235), (3, 93550745), (5, 56130447), (15, 18710149), (17, 16508955), (51, 5502985), (85, 3301791), (101, 2778735), (255, 1100597), (289, 971115), (303, 926245), (505, 555747), (641, 437835), (867, 323705), (1445, 194223), (1515, 185249), (1717, 163455), (1923, 145945), (3205, 87567), (4335, 64741), (5151, 54485), (8585, 32691), (9615, 29189), (10897, 25755)]