245022580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{983}}^1$

素因数の和:1117

約数の個数: 72

約数和(自身を含む): 571648896

約数和(自身を除く): 326626316

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 103, 110, 121, 206, 220, 242, 412, 484, 515, 605, 983, 1030, 1133, 1210, 1966, 2060, 2266, 2420, 3932, 4532, 4915, 5665, 9830, 10813, 11330, 12463, 19660, 21626, 22660, 24926, 43252, 49852, 54065, 62315, 101249, 108130, 118943, 124630, 202498, 216260, 237886, 249260, 404996, 475772, 506245, 594715, 1012490, 1113739, 1189430, 2024980, 2227478, 2378860, 4454956, 5568695, 11137390, 12251129, 22274780, 24502258, 49004516, 61255645, 122511290, 245022580]

約数ペア:

[(1, 245022580), (2, 122511290), (4, 61255645), (5, 49004516), (10, 24502258), (11, 22274780), (20, 12251129), (22, 11137390), (44, 5568695), (55, 4454956), (103, 2378860), (110, 2227478), (121, 2024980), (206, 1189430), (220, 1113739), (242, 1012490), (412, 594715), (484, 506245), (515, 475772), (605, 404996), (983, 249260), (1030, 237886), (1133, 216260), (1210, 202498), (1966, 124630), (2060, 118943), (2266, 108130), (2420, 101249), (3932, 62315), (4532, 54065), (4915, 49852), (5665, 43252), (9830, 24926), (10813, 22660), (11330, 21626), (12463, 19660)]