199949100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{307}}^1$

素因数の和:504

約数の個数: 144

約数和(自身を含む): 628793088

約数和(自身を除く): 428843988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 167, 195, 260, 300, 307, 325, 334, 390, 501, 614, 650, 668, 780, 835, 921, 975, 1002, 1228, 1300, 1535, 1670, 1842, 1950, 2004, 2171, 2505, 3070, 3340, 3684, 3900, 3991, 4175, 4342, 4605, 5010, 6140, 6513, 7675, 7982, 8350, 8684, 9210, 10020, 10855, 11973, 12525, 13026, 15350, 15964, 16700, 18420, 19955, 21710, 23025, 23946, 25050, 26052, 30700, 32565, 39910, 43420, 46050, 47892, 50100, 51269, 54275, 59865, 65130, 79820, 92100, 99775, 102538, 108550, 119730, 130260, 153807, 162825, 199550, 205076, 217100, 239460, 256345, 299325, 307614, 325650, 399100, 512690, 598650, 615228, 651300, 666497, 769035, 1025380, 1197300, 1281725, 1332994, 1538070, 1999491, 2563450, 2665988, 3076140, 3332485, 3845175, 3998982, 5126900, 6664970, 7690350, 7997964, 9997455, 13329940, 15380700, 16662425, 19994910, 33324850, 39989820, 49987275, 66649700, 99974550, 199949100]

約数ペア:

[(1, 199949100), (2, 99974550), (3, 66649700), (4, 49987275), (5, 39989820), (6, 33324850), (10, 19994910), (12, 16662425), (13, 15380700), (15, 13329940), (20, 9997455), (25, 7997964), (26, 7690350), (30, 6664970), (39, 5126900), (50, 3998982), (52, 3845175), (60, 3332485), (65, 3076140), (75, 2665988), (78, 2563450), (100, 1999491), (130, 1538070), (150, 1332994), (156, 1281725), (167, 1197300), (195, 1025380), (260, 769035), (300, 666497), (307, 651300), (325, 615228), (334, 598650), (390, 512690), (501, 399100), (614, 325650), (650, 307614), (668, 299325), (780, 256345), (835, 239460), (921, 217100), (975, 205076), (1002, 199550), (1228, 162825), (1300, 153807), (1535, 130260), (1670, 119730), (1842, 108550), (1950, 102538), (2004, 99775), (2171, 92100), (2505, 79820), (3070, 65130), (3340, 59865), (3684, 54275), (3900, 51269), (3991, 50100), (4175, 47892), (4342, 46050), (4605, 43420), (5010, 39910), (6140, 32565), (6513, 30700), (7675, 26052), (7982, 25050), (8350, 23946), (8684, 23025), (9210, 21710), (10020, 19955), (10855, 18420), (11973, 16700), (12525, 15964), (13026, 15350)]