254993410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{631}}^1$

素因数の和:919

約数の個数: 64

約数和(自身を含む): 550416384

約数和(自身を除く): 295422974

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 251, 322, 502, 631, 805, 1255, 1262, 1610, 1757, 2510, 3155, 3514, 4417, 5773, 6310, 8785, 8834, 11546, 14513, 17570, 22085, 28865, 29026, 40411, 44170, 57730, 72565, 80822, 101591, 145130, 158381, 202055, 203182, 316762, 404110, 507955, 791905, 1015910, 1108667, 1583810, 2217334, 3642763, 5543335, 7285526, 11086670, 18213815, 25499341, 36427630, 50998682, 127496705, 254993410]

約数ペア:

[(1, 254993410), (2, 127496705), (5, 50998682), (7, 36427630), (10, 25499341), (14, 18213815), (23, 11086670), (35, 7285526), (46, 5543335), (70, 3642763), (115, 2217334), (161, 1583810), (230, 1108667), (251, 1015910), (322, 791905), (502, 507955), (631, 404110), (805, 316762), (1255, 203182), (1262, 202055), (1610, 158381), (1757, 145130), (2510, 101591), (3155, 80822), (3514, 72565), (4417, 57730), (5773, 44170), (6310, 40411), (8785, 29026), (8834, 28865), (11546, 22085), (14513, 17570)]