401632420

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{127}}^1\times {\mathrm{461}}^1$

素因数の和:618

約数の個数: 96

約数和(自身を含む): 993484800

約数和(自身を除く): 591852380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 127, 140, 196, 245, 254, 343, 461, 490, 508, 635, 686, 889, 922, 980, 1270, 1372, 1715, 1778, 1844, 2305, 2540, 3227, 3430, 3556, 4445, 4610, 6223, 6454, 6860, 8890, 9220, 12446, 12908, 16135, 17780, 22589, 24892, 31115, 32270, 43561, 45178, 58547, 62230, 64540, 87122, 90356, 112945, 117094, 124460, 158123, 174244, 217805, 225890, 234188, 292735, 316246, 409829, 435610, 451780, 585470, 632492, 790615, 819658, 871220, 1170940, 1581230, 1639316, 2049145, 2868803, 3162460, 4098290, 5737606, 8196580, 11475212, 14344015, 20081621, 28688030, 40163242, 57376060, 80326484, 100408105, 200816210, 401632420]

約数ペア:

[(1, 401632420), (2, 200816210), (4, 100408105), (5, 80326484), (7, 57376060), (10, 40163242), (14, 28688030), (20, 20081621), (28, 14344015), (35, 11475212), (49, 8196580), (70, 5737606), (98, 4098290), (127, 3162460), (140, 2868803), (196, 2049145), (245, 1639316), (254, 1581230), (343, 1170940), (461, 871220), (490, 819658), (508, 790615), (635, 632492), (686, 585470), (889, 451780), (922, 435610), (980, 409829), (1270, 316246), (1372, 292735), (1715, 234188), (1778, 225890), (1844, 217805), (2305, 174244), (2540, 158123), (3227, 124460), (3430, 117094), (3556, 112945), (4445, 90356), (4610, 87122), (6223, 64540), (6454, 62230), (6860, 58547), (8890, 45178), (9220, 43561), (12446, 32270), (12908, 31115), (16135, 24892), (17780, 22589)]