125001940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{557}}^1$

素因数の和:809

約数の個数: 72

約数和(自身を含む): 307245960

約数和(自身を除く): 182244020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 229, 245, 458, 490, 557, 916, 980, 1114, 1145, 1603, 2228, 2290, 2785, 3206, 3899, 4580, 5570, 6412, 7798, 8015, 11140, 11221, 15596, 16030, 19495, 22442, 27293, 32060, 38990, 44884, 54586, 56105, 77980, 109172, 112210, 127553, 136465, 224420, 255106, 272930, 510212, 545860, 637765, 892871, 1275530, 1785742, 2551060, 3571484, 4464355, 6250097, 8928710, 12500194, 17857420, 25000388, 31250485, 62500970, 125001940]

約数ペア:

[(1, 125001940), (2, 62500970), (4, 31250485), (5, 25000388), (7, 17857420), (10, 12500194), (14, 8928710), (20, 6250097), (28, 4464355), (35, 3571484), (49, 2551060), (70, 1785742), (98, 1275530), (140, 892871), (196, 637765), (229, 545860), (245, 510212), (458, 272930), (490, 255106), (557, 224420), (916, 136465), (980, 127553), (1114, 112210), (1145, 109172), (1603, 77980), (2228, 56105), (2290, 54586), (2785, 44884), (3206, 38990), (3899, 32060), (4580, 27293), (5570, 22442), (6412, 19495), (7798, 16030), (8015, 15596), (11140, 11221)]