254054920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{29269}}^1$

素因数の和:29318

約数の個数: 64

約数和(自身を含む): 674380800

約数和(自身を除く): 420325880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 29269, 58538, 117076, 146345, 204883, 234152, 292690, 409766, 585380, 819532, 907339, 1024415, 1170760, 1639064, 1814678, 2048830, 3629356, 4097660, 4536695, 6351373, 7258712, 8195320, 9073390, 12702746, 18146780, 25405492, 31756865, 36293560, 50810984, 63513730, 127027460, 254054920]

約数ペア:

[(1, 254054920), (2, 127027460), (4, 63513730), (5, 50810984), (7, 36293560), (8, 31756865), (10, 25405492), (14, 18146780), (20, 12702746), (28, 9073390), (31, 8195320), (35, 7258712), (40, 6351373), (56, 4536695), (62, 4097660), (70, 3629356), (124, 2048830), (140, 1814678), (155, 1639064), (217, 1170760), (248, 1024415), (280, 907339), (310, 819532), (434, 585380), (620, 409766), (868, 292690), (1085, 234152), (1240, 204883), (1736, 146345), (2170, 117076), (4340, 58538), (8680, 29269)]