217660300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:560

約数の個数: 144

約数和(自身を含む): 573963264

約数和(自身を除く): 356302964

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 31, 44, 50, 52, 55, 62, 65, 100, 110, 124, 130, 143, 155, 220, 260, 275, 286, 310, 325, 341, 403, 491, 550, 572, 620, 650, 682, 715, 775, 806, 982, 1100, 1300, 1364, 1430, 1550, 1612, 1705, 1964, 2015, 2455, 2860, 3100, 3410, 3575, 4030, 4433, 4910, 5401, 6383, 6820, 7150, 8060, 8525, 8866, 9820, 10075, 10802, 12275, 12766, 14300, 15221, 17050, 17732, 20150, 21604, 22165, 24550, 25532, 27005, 30442, 31915, 34100, 40300, 44330, 49100, 54010, 60884, 63830, 70213, 76105, 88660, 108020, 110825, 127660, 135025, 140426, 152210, 159575, 167431, 197873, 221650, 270050, 280852, 304420, 319150, 334862, 351065, 380525, 395746, 443300, 540100, 638300, 669724, 702130, 761050, 791492, 837155, 989365, 1404260, 1522100, 1674310, 1755325, 1978730, 2176603, 3348620, 3510650, 3957460, 4185775, 4353206, 4946825, 7021300, 8371550, 8706412, 9893650, 10883015, 16743100, 19787300, 21766030, 43532060, 54415075, 108830150, 217660300]

約数ペア:

[(1, 217660300), (2, 108830150), (4, 54415075), (5, 43532060), (10, 21766030), (11, 19787300), (13, 16743100), (20, 10883015), (22, 9893650), (25, 8706412), (26, 8371550), (31, 7021300), (44, 4946825), (50, 4353206), (52, 4185775), (55, 3957460), (62, 3510650), (65, 3348620), (100, 2176603), (110, 1978730), (124, 1755325), (130, 1674310), (143, 1522100), (155, 1404260), (220, 989365), (260, 837155), (275, 791492), (286, 761050), (310, 702130), (325, 669724), (341, 638300), (403, 540100), (491, 443300), (550, 395746), (572, 380525), (620, 351065), (650, 334862), (682, 319150), (715, 304420), (775, 280852), (806, 270050), (982, 221650), (1100, 197873), (1300, 167431), (1364, 159575), (1430, 152210), (1550, 140426), (1612, 135025), (1705, 127660), (1964, 110825), (2015, 108020), (2455, 88660), (2860, 76105), (3100, 70213), (3410, 63830), (3575, 60884), (4030, 54010), (4433, 49100), (4910, 44330), (5401, 40300), (6383, 34100), (6820, 31915), (7150, 30442), (8060, 27005), (8525, 25532), (8866, 24550), (9820, 22165), (10075, 21604), (10802, 20150), (12275, 17732), (12766, 17050), (14300, 15221)]