About the Number

28404390

28404389 ← → 28404391

2進数表記:1101100010110101010100110

漢数字表記:二千八百四十万四千三百九十

素因数分解:

2 1 × 3 1 × 5 1 × 7 1 × 41 1 × 3299 1

素因数の和:3357
約数の個数: 64
約数和(自身を含む): 79833600
約数和(自身を除く): 51429210

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 41, 42, 70, 82, 105, 123, 205, 210, 246, 287, 410, 574, 615, 861, 1230, 1435, 1722, 2870, 3299, 4305, 6598, 8610, 9897, 16495, 19794, 23093, 32990, 46186, 49485, 69279, 98970, 115465, 135259, 138558, 230930, 270518, 346395, 405777, 676295, 692790, 811554, 946813, 1352590, 1893626, 2028885, 2840439, 4057770, 4734065, 5680878, 9468130, 14202195, 28404390]

約数ペア:
[(1, 28404390), (2, 14202195), (3, 9468130), (5, 5680878), (6, 4734065), (7, 4057770), (10, 2840439), (14, 2028885), (15, 1893626), (21, 1352590), (30, 946813), (35, 811554), (41, 692790), (42, 676295), (70, 405777), (82, 346395), (105, 270518), (123, 230930), (205, 138558), (210, 135259), (246, 115465), (287, 98970), (410, 69279), (574, 49485), (615, 46186), (861, 32990), (1230, 23093), (1435, 19794), (1722, 16495), (2870, 9897), (3299, 8610), (4305, 6598)]

このpageの処理時間: 0.00644230842590332 seconds