51919420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1709}}^1$

素因数の和:1763

約数の個数: 72

約数和(自身を含む): 130999680

約数和(自身を除く): 79080260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 1709, 2170, 3038, 3418, 4340, 6076, 6836, 7595, 8545, 11963, 15190, 17090, 23926, 30380, 34180, 47852, 52979, 59815, 83741, 105958, 119630, 167482, 211916, 239260, 264895, 334964, 370853, 418705, 529790, 741706, 837410, 1059580, 1483412, 1674820, 1854265, 2595971, 3708530, 5191942, 7417060, 10383884, 12979855, 25959710, 51919420]

約数ペア:

[(1, 51919420), (2, 25959710), (4, 12979855), (5, 10383884), (7, 7417060), (10, 5191942), (14, 3708530), (20, 2595971), (28, 1854265), (31, 1674820), (35, 1483412), (49, 1059580), (62, 837410), (70, 741706), (98, 529790), (124, 418705), (140, 370853), (155, 334964), (196, 264895), (217, 239260), (245, 211916), (310, 167482), (434, 119630), (490, 105958), (620, 83741), (868, 59815), (980, 52979), (1085, 47852), (1519, 34180), (1709, 30380), (2170, 23926), (3038, 17090), (3418, 15190), (4340, 11963), (6076, 8545), (6836, 7595)]