1721590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:97

約数の個数: 64

約数和(自身を含む): 3810240

約数和(自身を除く): 2088650

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 41, 65, 82, 85, 95, 130, 170, 190, 205, 221, 247, 323, 410, 442, 494, 533, 646, 697, 779, 1066, 1105, 1235, 1394, 1558, 1615, 2210, 2470, 2665, 3230, 3485, 3895, 4199, 5330, 6970, 7790, 8398, 9061, 10127, 13243, 18122, 20254, 20995, 26486, 41990, 45305, 50635, 66215, 90610, 101270, 132430, 172159, 344318, 860795, 1721590]

約数ペア:

[(1, 1721590), (2, 860795), (5, 344318), (10, 172159), (13, 132430), (17, 101270), (19, 90610), (26, 66215), (34, 50635), (38, 45305), (41, 41990), (65, 26486), (82, 20995), (85, 20254), (95, 18122), (130, 13243), (170, 10127), (190, 9061), (205, 8398), (221, 7790), (247, 6970), (323, 5330), (410, 4199), (442, 3895), (494, 3485), (533, 3230), (646, 2665), (697, 2470), (779, 2210), (1066, 1615), (1105, 1558), (1235, 1394)]