245178900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{30269}}^1$

素因数の和:30295

約数の個数: 90

約数和(自身を含む): 794799390

約数和(自身を除く): 549620490

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2700, 4050, 8100, 30269, 60538, 90807, 121076, 151345, 181614, 272421, 302690, 363228, 454035, 544842, 605380, 756725, 817263, 908070, 1089684, 1362105, 1513450, 1634526, 1816140, 2270175, 2451789, 2724210, 3026900, 3269052, 4086315, 4540350, 4903578, 5448420, 6810525, 8172630, 9080700, 9807156, 12258945, 13621050, 16345260, 20431575, 24517890, 27242100, 40863150, 49035780, 61294725, 81726300, 122589450, 245178900]

約数ペア:

[(1, 245178900), (2, 122589450), (3, 81726300), (4, 61294725), (5, 49035780), (6, 40863150), (9, 27242100), (10, 24517890), (12, 20431575), (15, 16345260), (18, 13621050), (20, 12258945), (25, 9807156), (27, 9080700), (30, 8172630), (36, 6810525), (45, 5448420), (50, 4903578), (54, 4540350), (60, 4086315), (75, 3269052), (81, 3026900), (90, 2724210), (100, 2451789), (108, 2270175), (135, 1816140), (150, 1634526), (162, 1513450), (180, 1362105), (225, 1089684), (270, 908070), (300, 817263), (324, 756725), (405, 605380), (450, 544842), (540, 454035), (675, 363228), (810, 302690), (900, 272421), (1350, 181614), (1620, 151345), (2025, 121076), (2700, 90807), (4050, 60538), (8100, 30269)]