890347980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{781007}}^1$

素因数の和:781038

約数の個数: 48

約数和(自身を含む): 2624186880

約数和(自身を除く): 1733838900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 781007, 1562014, 2343021, 3124028, 3905035, 4686042, 7810070, 9372084, 11715105, 14839133, 15620140, 23430210, 29678266, 44517399, 46860420, 59356532, 74195665, 89034798, 148391330, 178069596, 222586995, 296782660, 445173990, 890347980]

約数ペア:

[(1, 890347980), (2, 445173990), (3, 296782660), (4, 222586995), (5, 178069596), (6, 148391330), (10, 89034798), (12, 74195665), (15, 59356532), (19, 46860420), (20, 44517399), (30, 29678266), (38, 23430210), (57, 15620140), (60, 14839133), (76, 11715105), (95, 9372084), (114, 7810070), (190, 4686042), (228, 3905035), (285, 3124028), (380, 2343021), (570, 1562014), (1140, 781007)]