74417980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1319}}^1$

素因数の和:1379

約数の個数: 96

約数和(自身を含む): 198696960

約数和(自身を除く): 124278980

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 124, 130, 140, 155, 182, 217, 260, 310, 364, 403, 434, 455, 620, 806, 868, 910, 1085, 1319, 1612, 1820, 2015, 2170, 2638, 2821, 4030, 4340, 5276, 5642, 6595, 8060, 9233, 11284, 13190, 14105, 17147, 18466, 26380, 28210, 34294, 36932, 40889, 46165, 56420, 68588, 81778, 85735, 92330, 120029, 163556, 171470, 184660, 204445, 240058, 286223, 342940, 408890, 480116, 531557, 572446, 600145, 817780, 1063114, 1144892, 1200290, 1431115, 2126228, 2400580, 2657785, 2862230, 3720899, 5315570, 5724460, 7441798, 10631140, 14883596, 18604495, 37208990, 74417980]

約数ペア:

[(1, 74417980), (2, 37208990), (4, 18604495), (5, 14883596), (7, 10631140), (10, 7441798), (13, 5724460), (14, 5315570), (20, 3720899), (26, 2862230), (28, 2657785), (31, 2400580), (35, 2126228), (52, 1431115), (62, 1200290), (65, 1144892), (70, 1063114), (91, 817780), (124, 600145), (130, 572446), (140, 531557), (155, 480116), (182, 408890), (217, 342940), (260, 286223), (310, 240058), (364, 204445), (403, 184660), (434, 171470), (455, 163556), (620, 120029), (806, 92330), (868, 85735), (910, 81778), (1085, 68588), (1319, 56420), (1612, 46165), (1820, 40889), (2015, 36932), (2170, 34294), (2638, 28210), (2821, 26380), (4030, 18466), (4340, 17147), (5276, 14105), (5642, 13190), (6595, 11284), (8060, 9233)]