421797625

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:419

約数の個数: 64

約数和(自身を含む): 607426560

約数和(自身を除く): 185628935

約数列:

[1, 5, 17, 19, 25, 31, 85, 95, 125, 155, 323, 337, 425, 475, 527, 589, 775, 1615, 1685, 2125, 2375, 2635, 2945, 3875, 5729, 6403, 8075, 8425, 10013, 10447, 13175, 14725, 28645, 32015, 40375, 42125, 50065, 52235, 65875, 73625, 108851, 143225, 160075, 177599, 198493, 250325, 261175, 544255, 716125, 800375, 887995, 992465, 1251625, 1305875, 2721275, 3374381, 4439975, 4962325, 13606375, 16871905, 22199875, 24811625, 84359525, 421797625]

約数ペア:

[(1, 421797625), (5, 84359525), (17, 24811625), (19, 22199875), (25, 16871905), (31, 13606375), (85, 4962325), (95, 4439975), (125, 3374381), (155, 2721275), (323, 1305875), (337, 1251625), (425, 992465), (475, 887995), (527, 800375), (589, 716125), (775, 544255), (1615, 261175), (1685, 250325), (2125, 198493), (2375, 177599), (2635, 160075), (2945, 143225), (3875, 108851), (5729, 73625), (6403, 65875), (8075, 52235), (8425, 50065), (10013, 42125), (10447, 40375), (13175, 32015), (14725, 28645)]