619185420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{491417}}^1$

素因数の和:491439

約数の個数: 72

約数和(自身を含む): 2146513824

約数和(自身を除く): 1527328404

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 491417, 982834, 1474251, 1965668, 2457085, 2948502, 3439919, 4422753, 4914170, 5897004, 6879838, 7371255, 8845506, 9828340, 10319757, 13759676, 14742510, 17199595, 17691012, 20639514, 22113765, 29485020, 30959271, 34399190, 41279028, 44227530, 51598785, 61918542, 68798380, 88455060, 103197570, 123837084, 154796355, 206395140, 309592710, 619185420]

約数ペア:

[(1, 619185420), (2, 309592710), (3, 206395140), (4, 154796355), (5, 123837084), (6, 103197570), (7, 88455060), (9, 68798380), (10, 61918542), (12, 51598785), (14, 44227530), (15, 41279028), (18, 34399190), (20, 30959271), (21, 29485020), (28, 22113765), (30, 20639514), (35, 17691012), (36, 17199595), (42, 14742510), (45, 13759676), (60, 10319757), (63, 9828340), (70, 8845506), (84, 7371255), (90, 6879838), (105, 5897004), (126, 4914170), (140, 4422753), (180, 3439919), (210, 2948502), (252, 2457085), (315, 1965668), (420, 1474251), (630, 982834), (1260, 491417)]