29899940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{739}}^1$

素因数の和:789

約数の個数: 72

約数和(自身を含む): 76332480

約数和(自身を除く): 46432540

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 289, 340, 476, 578, 595, 739, 1156, 1190, 1445, 1478, 2023, 2380, 2890, 2956, 3695, 4046, 5173, 5780, 7390, 8092, 10115, 10346, 12563, 14780, 20230, 20692, 25126, 25865, 40460, 50252, 51730, 62815, 87941, 103460, 125630, 175882, 213571, 251260, 351764, 427142, 439705, 854284, 879410, 1067855, 1494997, 1758820, 2135710, 2989994, 4271420, 5979988, 7474985, 14949970, 29899940]

約数ペア:

[(1, 29899940), (2, 14949970), (4, 7474985), (5, 5979988), (7, 4271420), (10, 2989994), (14, 2135710), (17, 1758820), (20, 1494997), (28, 1067855), (34, 879410), (35, 854284), (68, 439705), (70, 427142), (85, 351764), (119, 251260), (140, 213571), (170, 175882), (238, 125630), (289, 103460), (340, 87941), (476, 62815), (578, 51730), (595, 50252), (739, 40460), (1156, 25865), (1190, 25126), (1445, 20692), (1478, 20230), (2023, 14780), (2380, 12563), (2890, 10346), (2956, 10115), (3695, 8092), (4046, 7390), (5173, 5780)]