640009934375

素因数分解:

$5^5\times 7^1\times {\mathrm{73}}^1\times {\mathrm{457}}^1\times {\mathrm{877}}^1$

素因数の和:1439

約数の個数: 96

約数和(自身を含む): 929852235648

約数和(自身を除く): 289842301273

約数列:

[1, 5, 7, 25, 35, 73, 125, 175, 365, 457, 511, 625, 875, 877, 1825, 2285, 2555, 3125, 3199, 4375, 4385, 6139, 9125, 11425, 12775, 15995, 21875, 21925, 30695, 33361, 45625, 57125, 63875, 64021, 79975, 109625, 153475, 166805, 228125, 233527, 285625, 319375, 320105, 399875, 400789, 448147, 548125, 767375, 834025, 1167635, 1428125, 1596875, 1600525, 1999375, 2003945, 2240735, 2740625, 2805523, 3836875, 4170125, 5838175, 8002625, 9996875, 10019725, 11203675, 14027615, 19184375, 20850625, 29190875, 29257597, 40013125, 50098625, 56018375, 70138075, 104253125, 145954375, 146287985, 200065625, 204803179, 250493125, 280091875, 350690375, 729771875, 731439925, 1024015895, 1252465625, 1400459375, 1753451875, 3657199625, 5120079475, 8767259375, 18285998125, 25600397375, 91429990625, 128001986875, 640009934375]

約数ペア:

[(1, 640009934375), (5, 128001986875), (7, 91429990625), (25, 25600397375), (35, 18285998125), (73, 8767259375), (125, 5120079475), (175, 3657199625), (365, 1753451875), (457, 1400459375), (511, 1252465625), (625, 1024015895), (875, 731439925), (877, 729771875), (1825, 350690375), (2285, 280091875), (2555, 250493125), (3125, 204803179), (3199, 200065625), (4375, 146287985), (4385, 145954375), (6139, 104253125), (9125, 70138075), (11425, 56018375), (12775, 50098625), (15995, 40013125), (21875, 29257597), (21925, 29190875), (30695, 20850625), (33361, 19184375), (45625, 14027615), (57125, 11203675), (63875, 10019725), (64021, 9996875), (79975, 8002625), (109625, 5838175), (153475, 4170125), (166805, 3836875), (228125, 2805523), (233527, 2740625), (285625, 2240735), (319375, 2003945), (320105, 1999375), (399875, 1600525), (400789, 1596875), (448147, 1428125), (548125, 1167635), (767375, 834025)]