About the Number

1230484990

1230484989 ← → 1230484991

2進数表記:1001001010101111011010111111110

漢数字表記:十二億三千四十八万四千九百九十

素因数分解:

2 1 × 5 1 × 7 1 × 17 1 × 43 1 × 139 1 × 173 1

素因数の和:386
約数の個数: 128
約数和(自身を含む): 2778209280
約数和(自身を除く): 1547724290

約数列:
[1, 2, 5, 7, 10, 14, 17, 34, 35, 43, 70, 85, 86, 119, 139, 170, 173, 215, 238, 278, 301, 346, 430, 595, 602, 695, 731, 865, 973, 1190, 1211, 1390, 1462, 1505, 1730, 1946, 2363, 2422, 2941, 3010, 3655, 4726, 4865, 5117, 5882, 5977, 6055, 7310, 7439, 9730, 10234, 11815, 11954, 12110, 14705, 14878, 16541, 20587, 23630, 24047, 25585, 29410, 29885, 33082, 37195, 41174, 41839, 48094, 51170, 52073, 59770, 74390, 82705, 83678, 101609, 102935, 104146, 120235, 126463, 165410, 168329, 203218, 205870, 209195, 240470, 252926, 260365, 336658, 408799, 418390, 508045, 520730, 632315, 711263, 817598, 841645, 885241, 1016090, 1034021, 1264630, 1422526, 1683290, 1770482, 2043995, 2068042, 2861593, 3556315, 4087990, 4426205, 5170105, 5723186, 7112630, 7238147, 8852410, 10340210, 14307965, 14476294, 17578357, 28615930, 35156714, 36190735, 72381470, 87891785, 123048499, 175783570, 246096998, 615242495, 1230484990]

約数ペア:
[(1, 1230484990), (2, 615242495), (5, 246096998), (7, 175783570), (10, 123048499), (14, 87891785), (17, 72381470), (34, 36190735), (35, 35156714), (43, 28615930), (70, 17578357), (85, 14476294), (86, 14307965), (119, 10340210), (139, 8852410), (170, 7238147), (173, 7112630), (215, 5723186), (238, 5170105), (278, 4426205), (301, 4087990), (346, 3556315), (430, 2861593), (595, 2068042), (602, 2043995), (695, 1770482), (731, 1683290), (865, 1422526), (973, 1264630), (1190, 1034021), (1211, 1016090), (1390, 885241), (1462, 841645), (1505, 817598), (1730, 711263), (1946, 632315), (2363, 520730), (2422, 508045), (2941, 418390), (3010, 408799), (3655, 336658), (4726, 260365), (4865, 252926), (5117, 240470), (5882, 209195), (5977, 205870), (6055, 203218), (7310, 168329), (7439, 165410), (9730, 126463), (10234, 120235), (11815, 104146), (11954, 102935), (12110, 101609), (14705, 83678), (14878, 82705), (16541, 74390), (20587, 59770), (23630, 52073), (24047, 51170), (25585, 48094), (29410, 41839), (29885, 41174), (33082, 37195)]

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