200008900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:774

約数の個数: 144

約数和(自身を含む): 552186880

約数和(自身を除く): 352177980

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 31, 35, 50, 52, 62, 65, 70, 91, 100, 124, 130, 140, 155, 175, 182, 217, 260, 310, 325, 350, 364, 403, 434, 455, 620, 650, 700, 709, 775, 806, 868, 910, 1085, 1300, 1418, 1550, 1612, 1820, 2015, 2170, 2275, 2821, 2836, 3100, 3545, 4030, 4340, 4550, 4963, 5425, 5642, 7090, 8060, 9100, 9217, 9926, 10075, 10850, 11284, 14105, 14180, 17725, 18434, 19852, 20150, 21700, 21979, 24815, 28210, 35450, 36868, 40300, 43958, 46085, 49630, 56420, 64519, 70525, 70900, 87916, 92170, 99260, 109895, 124075, 129038, 141050, 153853, 184340, 219790, 230425, 248150, 258076, 282100, 285727, 307706, 322595, 439580, 460850, 496300, 549475, 571454, 615412, 645190, 769265, 921700, 1098950, 1142908, 1290380, 1428635, 1538530, 1612975, 2000089, 2197900, 2857270, 3077060, 3225950, 3846325, 4000178, 5714540, 6451900, 7143175, 7692650, 8000356, 10000445, 14286350, 15385300, 20000890, 28572700, 40001780, 50002225, 100004450, 200008900]

約数ペア:

[(1, 200008900), (2, 100004450), (4, 50002225), (5, 40001780), (7, 28572700), (10, 20000890), (13, 15385300), (14, 14286350), (20, 10000445), (25, 8000356), (26, 7692650), (28, 7143175), (31, 6451900), (35, 5714540), (50, 4000178), (52, 3846325), (62, 3225950), (65, 3077060), (70, 2857270), (91, 2197900), (100, 2000089), (124, 1612975), (130, 1538530), (140, 1428635), (155, 1290380), (175, 1142908), (182, 1098950), (217, 921700), (260, 769265), (310, 645190), (325, 615412), (350, 571454), (364, 549475), (403, 496300), (434, 460850), (455, 439580), (620, 322595), (650, 307706), (700, 285727), (709, 282100), (775, 258076), (806, 248150), (868, 230425), (910, 219790), (1085, 184340), (1300, 153853), (1418, 141050), (1550, 129038), (1612, 124075), (1820, 109895), (2015, 99260), (2170, 92170), (2275, 87916), (2821, 70900), (2836, 70525), (3100, 64519), (3545, 56420), (4030, 49630), (4340, 46085), (4550, 43958), (4963, 40300), (5425, 36868), (5642, 35450), (7090, 28210), (8060, 24815), (9100, 21979), (9217, 21700), (9926, 20150), (10075, 19852), (10850, 18434), (11284, 17725), (14105, 14180)]