281972900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{8269}}^1$

素因数の和:8325

約数の個数: 72

約数和(自身を含む): 689122560

約数和(自身を除く): 407149660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 62, 100, 110, 124, 155, 220, 275, 310, 341, 550, 620, 682, 775, 1100, 1364, 1550, 1705, 3100, 3410, 6820, 8269, 8525, 16538, 17050, 33076, 34100, 41345, 82690, 90959, 165380, 181918, 206725, 256339, 363836, 413450, 454795, 512678, 826900, 909590, 1025356, 1281695, 1819180, 2273975, 2563390, 2819729, 4547950, 5126780, 5639458, 6408475, 9095900, 11278916, 12816950, 14098645, 25633900, 28197290, 56394580, 70493225, 140986450, 281972900]

約数ペア:

[(1, 281972900), (2, 140986450), (4, 70493225), (5, 56394580), (10, 28197290), (11, 25633900), (20, 14098645), (22, 12816950), (25, 11278916), (31, 9095900), (44, 6408475), (50, 5639458), (55, 5126780), (62, 4547950), (100, 2819729), (110, 2563390), (124, 2273975), (155, 1819180), (220, 1281695), (275, 1025356), (310, 909590), (341, 826900), (550, 512678), (620, 454795), (682, 413450), (775, 363836), (1100, 256339), (1364, 206725), (1550, 181918), (1705, 165380), (3100, 90959), (3410, 82690), (6820, 41345), (8269, 34100), (8525, 33076), (16538, 17050)]