397800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:52

約数の個数: 144

約数和(自身を含む): 1523340

約数和(自身を除く): 1125540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 25, 26, 30, 34, 36, 39, 40, 45, 50, 51, 52, 60, 65, 68, 72, 75, 78, 85, 90, 100, 102, 104, 117, 120, 130, 136, 150, 153, 156, 170, 180, 195, 200, 204, 221, 225, 234, 255, 260, 300, 306, 312, 325, 340, 360, 390, 408, 425, 442, 450, 468, 510, 520, 585, 600, 612, 650, 663, 680, 765, 780, 850, 884, 900, 936, 975, 1020, 1105, 1170, 1224, 1275, 1300, 1326, 1530, 1560, 1700, 1768, 1800, 1950, 1989, 2040, 2210, 2340, 2550, 2600, 2652, 2925, 3060, 3315, 3400, 3825, 3900, 3978, 4420, 4680, 5100, 5304, 5525, 5850, 6120, 6630, 7650, 7800, 7956, 8840, 9945, 10200, 11050, 11700, 13260, 15300, 15912, 16575, 19890, 22100, 23400, 26520, 30600, 33150, 39780, 44200, 49725, 66300, 79560, 99450, 132600, 198900, 397800]

約数ペア:

[(1, 397800), (2, 198900), (3, 132600), (4, 99450), (5, 79560), (6, 66300), (8, 49725), (9, 44200), (10, 39780), (12, 33150), (13, 30600), (15, 26520), (17, 23400), (18, 22100), (20, 19890), (24, 16575), (25, 15912), (26, 15300), (30, 13260), (34, 11700), (36, 11050), (39, 10200), (40, 9945), (45, 8840), (50, 7956), (51, 7800), (52, 7650), (60, 6630), (65, 6120), (68, 5850), (72, 5525), (75, 5304), (78, 5100), (85, 4680), (90, 4420), (100, 3978), (102, 3900), (104, 3825), (117, 3400), (120, 3315), (130, 3060), (136, 2925), (150, 2652), (153, 2600), (156, 2550), (170, 2340), (180, 2210), (195, 2040), (200, 1989), (204, 1950), (221, 1800), (225, 1768), (234, 1700), (255, 1560), (260, 1530), (300, 1326), (306, 1300), (312, 1275), (325, 1224), (340, 1170), (360, 1105), (390, 1020), (408, 975), (425, 936), (442, 900), (450, 884), (468, 850), (510, 780), (520, 765), (585, 680), (600, 663), (612, 650)]