917889430

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{251}}^1\times {\mathrm{1013}}^1$

素因数の和:1309

約数の個数: 48

約数和(自身を含む): 1752411024

約数和(自身を除く): 834521594

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 251, 361, 502, 722, 1013, 1255, 1805, 2026, 2510, 3610, 4769, 5065, 9538, 10130, 19247, 23845, 38494, 47690, 90611, 96235, 181222, 192470, 254263, 365693, 453055, 508526, 731386, 906110, 1271315, 1828465, 2542630, 3656930, 4830997, 9661994, 24154985, 48309970, 91788943, 183577886, 458944715, 917889430]

約数ペア:

[(1, 917889430), (2, 458944715), (5, 183577886), (10, 91788943), (19, 48309970), (38, 24154985), (95, 9661994), (190, 4830997), (251, 3656930), (361, 2542630), (502, 1828465), (722, 1271315), (1013, 906110), (1255, 731386), (1805, 508526), (2026, 453055), (2510, 365693), (3610, 254263), (4769, 192470), (5065, 181222), (9538, 96235), (10130, 90611), (19247, 47690), (23845, 38494)]