90525890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3209}}^1$

素因数の和:3267

約数の個数: 64

約数和(自身を含む): 207083520

約数和(自身を除く): 116557630

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 62, 65, 70, 91, 130, 155, 182, 217, 310, 403, 434, 455, 806, 910, 1085, 2015, 2170, 2821, 3209, 4030, 5642, 6418, 14105, 16045, 22463, 28210, 32090, 41717, 44926, 83434, 99479, 112315, 198958, 208585, 224630, 292019, 417170, 497395, 584038, 696353, 994790, 1293227, 1392706, 1460095, 2586454, 2920190, 3481765, 6466135, 6963530, 9052589, 12932270, 18105178, 45262945, 90525890]

約数ペア:

[(1, 90525890), (2, 45262945), (5, 18105178), (7, 12932270), (10, 9052589), (13, 6963530), (14, 6466135), (26, 3481765), (31, 2920190), (35, 2586454), (62, 1460095), (65, 1392706), (70, 1293227), (91, 994790), (130, 696353), (155, 584038), (182, 497395), (217, 417170), (310, 292019), (403, 224630), (434, 208585), (455, 198958), (806, 112315), (910, 99479), (1085, 83434), (2015, 44926), (2170, 41717), (2821, 32090), (3209, 28210), (4030, 22463), (5642, 16045), (6418, 14105)]