328156675

素因数分解:

$5^2\times 7^5\times {\mathrm{11}}^1\times {\mathrm{71}}^1$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 525180672

約数和(自身を除く): 197023997

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 71, 77, 175, 245, 275, 343, 355, 385, 497, 539, 781, 1225, 1715, 1775, 1925, 2401, 2485, 2695, 3479, 3773, 3905, 5467, 8575, 12005, 12425, 13475, 16807, 17395, 18865, 19525, 24353, 26411, 27335, 38269, 60025, 84035, 86975, 94325, 121765, 132055, 136675, 170471, 184877, 191345, 267883, 420175, 608825, 660275, 852355, 924385, 956725, 1193297, 1339415, 1875181, 4261775, 4621925, 5966485, 6697075, 9375905, 13126267, 29832425, 46879525, 65631335, 328156675]

約数ペア:

[(1, 328156675), (5, 65631335), (7, 46879525), (11, 29832425), (25, 13126267), (35, 9375905), (49, 6697075), (55, 5966485), (71, 4621925), (77, 4261775), (175, 1875181), (245, 1339415), (275, 1193297), (343, 956725), (355, 924385), (385, 852355), (497, 660275), (539, 608825), (781, 420175), (1225, 267883), (1715, 191345), (1775, 184877), (1925, 170471), (2401, 136675), (2485, 132055), (2695, 121765), (3479, 94325), (3773, 86975), (3905, 84035), (5467, 60025), (8575, 38269), (12005, 27335), (12425, 26411), (13475, 24353), (16807, 19525), (17395, 18865)]