396750400

素因数分解:

$2^6\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:493

約数の個数: 168

約数和(自身を含む): 1063304960

約数和(自身を除く): 666554560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 32, 38, 40, 50, 62, 64, 76, 80, 95, 100, 124, 152, 155, 160, 190, 200, 248, 304, 310, 320, 380, 400, 421, 475, 496, 589, 608, 620, 760, 775, 800, 842, 950, 992, 1178, 1216, 1240, 1520, 1550, 1600, 1684, 1900, 1984, 2105, 2356, 2480, 2945, 3040, 3100, 3368, 3800, 4210, 4712, 4960, 5890, 6080, 6200, 6736, 7600, 7999, 8420, 9424, 9920, 10525, 11780, 12400, 13051, 13472, 14725, 15200, 15998, 16840, 18848, 21050, 23560, 24800, 26102, 26944, 29450, 30400, 31996, 33680, 37696, 39995, 42100, 47120, 49600, 52204, 58900, 63992, 65255, 67360, 79990, 84200, 94240, 104408, 117800, 127984, 130510, 134720, 159980, 168400, 188480, 199975, 208816, 235600, 247969, 255968, 261020, 319960, 326275, 336800, 399950, 417632, 471200, 495938, 511936, 522040, 639920, 652550, 673600, 799900, 835264, 942400, 991876, 1044080, 1239845, 1279840, 1305100, 1599800, 1983752, 2088160, 2479690, 2559680, 2610200, 3199600, 3967504, 4176320, 4959380, 5220400, 6199225, 6399200, 7935008, 9918760, 10440800, 12398450, 12798400, 15870016, 19837520, 20881600, 24796900, 39675040, 49593800, 79350080, 99187600, 198375200, 396750400]

約数ペア:

[(1, 396750400), (2, 198375200), (4, 99187600), (5, 79350080), (8, 49593800), (10, 39675040), (16, 24796900), (19, 20881600), (20, 19837520), (25, 15870016), (31, 12798400), (32, 12398450), (38, 10440800), (40, 9918760), (50, 7935008), (62, 6399200), (64, 6199225), (76, 5220400), (80, 4959380), (95, 4176320), (100, 3967504), (124, 3199600), (152, 2610200), (155, 2559680), (160, 2479690), (190, 2088160), (200, 1983752), (248, 1599800), (304, 1305100), (310, 1279840), (320, 1239845), (380, 1044080), (400, 991876), (421, 942400), (475, 835264), (496, 799900), (589, 673600), (608, 652550), (620, 639920), (760, 522040), (775, 511936), (800, 495938), (842, 471200), (950, 417632), (992, 399950), (1178, 336800), (1216, 326275), (1240, 319960), (1520, 261020), (1550, 255968), (1600, 247969), (1684, 235600), (1900, 208816), (1984, 199975), (2105, 188480), (2356, 168400), (2480, 159980), (2945, 134720), (3040, 130510), (3100, 127984), (3368, 117800), (3800, 104408), (4210, 94240), (4712, 84200), (4960, 79990), (5890, 67360), (6080, 65255), (6200, 63992), (6736, 58900), (7600, 52204), (7999, 49600), (8420, 47120), (9424, 42100), (9920, 39995), (10525, 37696), (11780, 33680), (12400, 31996), (13051, 30400), (13472, 29450), (14725, 26944), (15200, 26102), (15998, 24800), (16840, 23560), (18848, 21050)]