256495890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{174487}}^1$

素因数の和:174511

約数の個数: 48

約数和(自身を含む): 716098752

約数和(自身を除く): 459602862

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 174487, 348974, 523461, 872435, 1046922, 1221409, 1744870, 2442818, 2617305, 3664227, 5234610, 6107045, 7328454, 8549863, 12214090, 17099726, 18321135, 25649589, 36642270, 42749315, 51299178, 85498630, 128247945, 256495890]

約数ペア:

[(1, 256495890), (2, 128247945), (3, 85498630), (5, 51299178), (6, 42749315), (7, 36642270), (10, 25649589), (14, 18321135), (15, 17099726), (21, 12214090), (30, 8549863), (35, 7328454), (42, 6107045), (49, 5234610), (70, 3664227), (98, 2617305), (105, 2442818), (147, 1744870), (210, 1221409), (245, 1046922), (294, 872435), (490, 523461), (735, 348974), (1470, 174487)]