187801900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1$

素因数の和:632

約数の個数: 144

約数和(自身を含む): 500467968

約数和(自身を除く): 312666068

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 23, 25, 26, 44, 46, 50, 52, 55, 65, 92, 100, 110, 115, 130, 143, 220, 230, 253, 260, 275, 286, 299, 325, 460, 506, 550, 571, 572, 575, 598, 650, 715, 1012, 1100, 1142, 1150, 1196, 1265, 1300, 1430, 1495, 2284, 2300, 2530, 2855, 2860, 2990, 3289, 3575, 5060, 5710, 5980, 6281, 6325, 6578, 7150, 7423, 7475, 11420, 12562, 12650, 13133, 13156, 14275, 14300, 14846, 14950, 16445, 25124, 25300, 26266, 28550, 29692, 29900, 31405, 32890, 37115, 52532, 57100, 62810, 65665, 65780, 74230, 81653, 82225, 125620, 131330, 144463, 148460, 157025, 163306, 164450, 170729, 185575, 262660, 288926, 314050, 326612, 328325, 328900, 341458, 371150, 408265, 577852, 628100, 656650, 682916, 722315, 742300, 816530, 853645, 1313300, 1444630, 1633060, 1707290, 1878019, 2041325, 2889260, 3414580, 3611575, 3756038, 4082650, 4268225, 7223150, 7512076, 8165300, 8536450, 9390095, 14446300, 17072900, 18780190, 37560380, 46950475, 93900950, 187801900]

約数ペア:

[(1, 187801900), (2, 93900950), (4, 46950475), (5, 37560380), (10, 18780190), (11, 17072900), (13, 14446300), (20, 9390095), (22, 8536450), (23, 8165300), (25, 7512076), (26, 7223150), (44, 4268225), (46, 4082650), (50, 3756038), (52, 3611575), (55, 3414580), (65, 2889260), (92, 2041325), (100, 1878019), (110, 1707290), (115, 1633060), (130, 1444630), (143, 1313300), (220, 853645), (230, 816530), (253, 742300), (260, 722315), (275, 682916), (286, 656650), (299, 628100), (325, 577852), (460, 408265), (506, 371150), (550, 341458), (571, 328900), (572, 328325), (575, 326612), (598, 314050), (650, 288926), (715, 262660), (1012, 185575), (1100, 170729), (1142, 164450), (1150, 163306), (1196, 157025), (1265, 148460), (1300, 144463), (1430, 131330), (1495, 125620), (2284, 82225), (2300, 81653), (2530, 74230), (2855, 65780), (2860, 65665), (2990, 62810), (3289, 57100), (3575, 52532), (5060, 37115), (5710, 32890), (5980, 31405), (6281, 29900), (6325, 29692), (6578, 28550), (7150, 26266), (7423, 25300), (7475, 25124), (11420, 16445), (12562, 14950), (12650, 14846), (13133, 14300), (13156, 14275)]