77338660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1489}}^1$

素因数の和:1565

約数の個数: 72

約数和(自身を含む): 192621240

約数和(自身を除く): 115282580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 98, 106, 140, 196, 212, 245, 265, 371, 490, 530, 742, 980, 1060, 1484, 1489, 1855, 2597, 2978, 3710, 5194, 5956, 7420, 7445, 10388, 10423, 12985, 14890, 20846, 25970, 29780, 41692, 51940, 52115, 72961, 78917, 104230, 145922, 157834, 208460, 291844, 315668, 364805, 394585, 552419, 729610, 789170, 1104838, 1459220, 1578340, 2209676, 2762095, 3866933, 5524190, 7733866, 11048380, 15467732, 19334665, 38669330, 77338660]

約数ペア:

[(1, 77338660), (2, 38669330), (4, 19334665), (5, 15467732), (7, 11048380), (10, 7733866), (14, 5524190), (20, 3866933), (28, 2762095), (35, 2209676), (49, 1578340), (53, 1459220), (70, 1104838), (98, 789170), (106, 729610), (140, 552419), (196, 394585), (212, 364805), (245, 315668), (265, 291844), (371, 208460), (490, 157834), (530, 145922), (742, 104230), (980, 78917), (1060, 72961), (1484, 52115), (1489, 51940), (1855, 41692), (2597, 29780), (2978, 25970), (3710, 20846), (5194, 14890), (5956, 12985), (7420, 10423), (7445, 10388)]