248731600

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1543}}^1$

素因数の和:1605

約数の個数: 120

約数和(自身を含む): 664735232

約数和(自身を除く): 416003632

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 40, 50, 52, 62, 65, 80, 100, 104, 124, 130, 155, 200, 208, 248, 260, 310, 325, 400, 403, 496, 520, 620, 650, 775, 806, 1040, 1240, 1300, 1543, 1550, 1612, 2015, 2480, 2600, 3086, 3100, 3224, 4030, 5200, 6172, 6200, 6448, 7715, 8060, 10075, 12344, 12400, 15430, 16120, 20059, 20150, 24688, 30860, 32240, 38575, 40118, 40300, 47833, 61720, 77150, 80236, 80600, 95666, 100295, 123440, 154300, 160472, 161200, 191332, 200590, 239165, 308600, 320944, 382664, 401180, 478330, 501475, 617200, 621829, 765328, 802360, 956660, 1002950, 1195825, 1243658, 1604720, 1913320, 2005900, 2391650, 2487316, 3109145, 3826640, 4011800, 4783300, 4974632, 6218290, 8023600, 9566600, 9949264, 12436580, 15545725, 19133200, 24873160, 31091450, 49746320, 62182900, 124365800, 248731600]

約数ペア:

[(1, 248731600), (2, 124365800), (4, 62182900), (5, 49746320), (8, 31091450), (10, 24873160), (13, 19133200), (16, 15545725), (20, 12436580), (25, 9949264), (26, 9566600), (31, 8023600), (40, 6218290), (50, 4974632), (52, 4783300), (62, 4011800), (65, 3826640), (80, 3109145), (100, 2487316), (104, 2391650), (124, 2005900), (130, 1913320), (155, 1604720), (200, 1243658), (208, 1195825), (248, 1002950), (260, 956660), (310, 802360), (325, 765328), (400, 621829), (403, 617200), (496, 501475), (520, 478330), (620, 401180), (650, 382664), (775, 320944), (806, 308600), (1040, 239165), (1240, 200590), (1300, 191332), (1543, 161200), (1550, 160472), (1612, 154300), (2015, 123440), (2480, 100295), (2600, 95666), (3086, 80600), (3100, 80236), (3224, 77150), (4030, 61720), (5200, 47833), (6172, 40300), (6200, 40118), (6448, 38575), (7715, 32240), (8060, 30860), (10075, 24688), (12344, 20150), (12400, 20059), (15430, 16120)]